all.sh: rename a helper function

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
diff --git a/tests/scripts/components-compiler.sh b/tests/scripts/components-compiler.sh
index 5badabb..d89bbed 100644
--- a/tests/scripts/components-compiler.sh
+++ b/tests/scripts/components-compiler.sh
@@ -18,7 +18,7 @@
     cp configs/config-tfm.h "$CONFIG_H"
 
     msg "build: TF-M config, armclang armv7-m thumb2"
-    armc6_build_test "--target=arm-arm-none-eabi -march=armv7-m -mthumb -Os -std=c99 -Werror -Wall -Wextra -Wwrite-strings -Wpointer-arith -Wimplicit-fallthrough -Wshadow -Wvla -Wformat=2 -Wno-format-nonliteral -Wshadow -Wasm-operand-widths -Wunused -I../tests/include/spe"
+    helper_armc6_build_test "--target=arm-arm-none-eabi -march=armv7-m -mthumb -Os -std=c99 -Werror -Wall -Wextra -Wwrite-strings -Wpointer-arith -Wimplicit-fallthrough -Wshadow -Wvla -Wformat=2 -Wno-format-nonliteral -Wshadow -Wasm-operand-widths -Wunused -I../tests/include/spe"
 }
 
 test_build_opt () {