trusted-firmware-m: pass compiler path to STM32L552 postbuild script

The STM32 post-build script is passed the compiler full
name and path, so it can work with the Zephyr SDK as well.

Signed-off-by: Ioannis Glaropoulos <[email protected]>

Author: ioannisg

trusted-firmware-m/platform/ext/target/stm/common/stm32l5xx/boards/scripts/gcc/preprocess.sh

@@ -14,7 +14,9 @@
 # arg1 is the build directory
 # arg2 is the file to preprocess
 # arg3 is output file beeing preprocessed
+# arg4 is the GCC compiler full path
+
 function preprocess
 (
-arm-none-eabi-gcc -E -P -xc -I$1 -o$3 $2
+$4 -E -P -xc -I$1 -o$3 $2
 )

trusted-firmware-m/platform/ext/target/stm/common/stm32l5xx/boards/scripts/postbuild.sh

@@ -17,6 +17,8 @@ SCRIPT=$(readlink -f $0)
 # Absolute path this script
 projectdir=`dirname $SCRIPT`
 source $projectdir/preprocess.sh
+# Compiler full name & path is passed as argument
+compiler_full_path=$1
 # the file to preprocess is generated and present outside of install dir
 bl2_file_to_preprocess=$projectdir/image_macros_to_preprocess_bl2.c
 preprocess_bl2_file=$projectdir/image_macros_preprocessed_bl2.c
@@ -25,7 +27,7 @@ updatesh=$projectdir/TFM_UPDATE.sh
 
 basedir=$projectdir
 echo preprocess bl2 file
-preprocess $projectdir $bl2_file_to_preprocess $preprocess_bl2_file
+preprocess $projectdir $bl2_file_to_preprocess $preprocess_bl2_file $compiler_full_path
 stm_tool=$basedir"/scripts/stm_tool.py"
 #determine/check python version command
 cmd="python3"