MLECO-4074: bump up version of armclang to 6.1923.08-rc223.08

* issues identified with armclang 6.17 and 6.18
* updates in cmake for minimum version
* updates in release notes and documentation

Change-Id: Iffa711d9d95a509f5c07cd55f59a49bdcf3e9d6a

4 files changed, 7 insertions, 13 deletions

diff --git a/docs/documentation.md b/docs/documentation.md
index 7d8fc4a..570541a 100644
--- a/docs/documentation.md
+++ b/docs/documentation.md
@@ -36,7 +36,7 @@ Before starting the setup process, please make sure that you have:
 - At least one of the following toolchains:
   - GNU Arm Embedded toolchain (version 10.2.1 or above) -
   [GNU Arm Embedded toolchain downloads](https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/gnu-rm/downloads)
-  - Arm Compiler (version 6.16 or above) with a valid license -
+  - Arm Compiler (version 6.19 or above) with a valid license -
   [Arm Compiler download Page](https://developer.arm.com/tools-and-software/embedded/arm-compiler/downloads)
 
 - An Arm® MPS3 FPGA prototyping board and components for FPGA evaluation or a `Fixed Virtual Platform` binary:
diff --git a/docs/sections/building.md b/docs/sections/building.md
index 84ce271..776117f 100644
--- a/docs/sections/building.md
+++ b/docs/sections/building.md
@@ -34,7 +34,7 @@ This section assumes that you are using an **x86_64 Linux** build machine.
 
 Before proceeding, it is *essential* to ensure that the following prerequisites have been fulfilled:
 
-- GNU Arm embedded toolchain 10.2.1 (or higher) or the Arm Compiler version 6.16, or higher, is installed and available
+- GNU Arm embedded toolchain 10.2.1 (or higher) or the Arm Compiler version 6.19, or higher, is installed and available
   on the path.
 
 > **Note**: There is a known issue with Arm GNU Embedded Toolchain version 12.2.Rel1. See
@@ -47,12 +47,10 @@ Before proceeding, it is *essential* to ensure that the following prerequisites
     ```
 
     ```log
-    Product: ARM Compiler 6.16 Professional
-    Component: ARM Compiler 6.16
+    Product: Keil MDK Community
+    Component: ARM Compiler for Embedded 6.19
     ```
 
-> **Note:** To compile for Arm® Cortex™-M85 CPU (default CPU for Arm® Corstone-310), 6.18 is the minimum version required.
-
   Alternatively, use:
 
     ```commandline
diff --git a/release_notes.txt b/release_notes.txt
index 7296739..76072d6 100644
--- a/release_notes.txt
+++ b/release_notes.txt
@@ -1,6 +1,7 @@
 Changes in 23.08
     * Support for 23.08 NPU components and dependencies (core-driver, core-platform, Vela 3.9.0, CMSIS, CMSIS-NN and TensorFlow Lite Micro).
     * Update Python package requirements for compatibility reasons.
+    * Increase minimum requirements of Armclang to 6.19
 
 Changes in 23.05
     * Support for 23.05 NPU components and dependencies (core-driver, core-platform, Vela 3.8.0, CMSIS, CMSIS-NN and TensorFlow Lite Micro).
diff --git a/scripts/cmake/toolchains/bare-metal-armclang.cmake b/scripts/cmake/toolchains/bare-metal-armclang.cmake
index f829762..fcea118 100644
--- a/scripts/cmake/toolchains/bare-metal-armclang.cmake
+++ b/scripts/cmake/toolchains/bare-metal-armclang.cmake
@@ -29,13 +29,14 @@ set(CMAKE_SYSTEM_NAME               Generic)
 set(CMAKE_C_COMPILER_WORKS          1)
 set(CMAKE_CXX_COMPILER_WORKS        1)
 
+set(MIN_ARM_CLANG_VERSION       6.19)
+
 if (NOT DEFINED CMAKE_SYSTEM_PROCESSOR AND NOT DEFINED CMAKE_SYSTEM_ARCH)
     set(CMAKE_SYSTEM_PROCESSOR      cortex-m55 CACHE STRING "Cortex-M CPU to use")
 endif()
 
 if (CMAKE_SYSTEM_PROCESSOR STREQUAL cortex-m55)
     # Flags for cortex-m55
-    set(MIN_ARM_CLANG_VERSION       6.16)
     set(CPU_ID                      M55)
     set(CPU_COMPILE_DEF             CPU_CORTEX_${CPU_ID})
     set(ARM_CPU                     "ARMC${CPU_ID}")
@@ -45,7 +46,6 @@ if (CMAKE_SYSTEM_PROCESSOR STREQUAL cortex-m55)
     set(CPU_LINK_OPT                "--cpu=Cortex-${CPU_ID}")
 elseif (CMAKE_SYSTEM_PROCESSOR STREQUAL cortex-m85)
     # Flags for cortex-m85
-    set(MIN_ARM_CLANG_VERSION       6.18)
     set(CPU_ID                      M85)
     set(CPU_COMPILE_DEF             CPU_CORTEX_${CPU_ID})
     set(ARM_CPU                     "ARMC${CPU_ID}")
@@ -55,7 +55,6 @@ elseif (CMAKE_SYSTEM_PROCESSOR STREQUAL cortex-m85)
     set(CPU_LINK_OPT                "--cpu=Cortex-${CPU_ID}")
 elseif (CMAKE_SYSTEM_ARCH STREQUAL armv8.1-m.main)
     # Flags for generic armv8.1-m profile
-    set(MIN_ARM_CLANG_VERSION       6.16)
     set(CPU_ID                      ARMv81MML_DSP_DP_MVE_FP)
     set(ARM_CPU                     "ARMv81MML")
     set(CPU_COMPILE_DEF             ${CPU_ID})
@@ -70,10 +69,6 @@ elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL cortex-m33)
     # Flags for cortex-m33 to go here
 endif()
 
-if (NOT DEFINED MIN_ARM_CLANG_VERSION)
-    set(MIN_ARM_CLANG_VERSION       6.16)
-endif()
-
 set(${CPU_COMPILE_DEF}              1)
 
 # Warning options