Update CMSIS to v6

Signed-off-by: Gergely Korcsák <gergely.korcsak@arm.com>
Change-Id: Id1ac828e2fe034cb1b49325e31b42ef6c12421a2
diff --git a/cmake/install.cmake b/cmake/install.cmake
index ab844de..4cf1e0e 100644
--- a/cmake/install.cmake
+++ b/cmake/install.cmake
@@ -1,5 +1,5 @@
 #-------------------------------------------------------------------------------
-# Copyright (c) 2020-2023, Arm Limited. All rights reserved.
+# Copyright (c) 2020-2024, Arm Limited. All rights reserved.
 # Copyright (c) 2022-2023 Cypress Semiconductor Corporation (an Infineon company)
 # or an affiliate of Cypress Semiconductor Corporation. All rights reserved.
 #
@@ -224,8 +224,8 @@
 
 install(CODE "MESSAGE(\"----- Installing platform NS -----\")")
 
-install(DIRECTORY   ${PLATFORM_DIR}/ext/cmsis
-        DESTINATION ${INSTALL_PLATFORM_NS_DIR}/ext)
+install(DIRECTORY   ${CMAKE_BINARY_DIR}/lib/ext/cmsis-src/CMSIS/Core/Include
+        DESTINATION ${INSTALL_PLATFORM_NS_DIR}/ext/cmsis)
 
 if(PLATFORM_DEFAULT_UART_STDOUT)
     install(FILES       ${PLATFORM_DIR}/ext/common/uart_stdout.c