Enable inline assembly in armcc all.sh component

The test script all.sh contains the component

   component_build_armcc

testing that Mbed TLS builds using Arm Compiler 5 and 6,
on a variety of platforms.

However, the component does not exercise inline assembly
for Arm, since
- MBEDTLS_HAVE_ASM is unset, and
- Some Arm inline assembly is only used if the level of
  optimization is not 0.

This commit changes the test component to ensure that
inline assembly is built by setting MBEDTLS_HAVE_ASM
as well as enabling optimization level 1 (-O1).

Signed-off-by: Hanno Becker <hanno.becker@arm.com>
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 458fe8f..4fa15a8 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -2870,6 +2870,7 @@
     scripts/config.py baremetal
     # armc[56] don't support SHA-512 intrinsics
     scripts/config.py unset MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT
+    scripts/config.py set MBEDTLS_HAVE_ASM
 
     make CC="$ARMC5_CC" AR="$ARMC5_AR" WARNING_CFLAGS='--strict --c99' lib
 
@@ -2878,20 +2879,22 @@
 
     make clean
 
+    # Compile with -O1 since some Arm inline assembly is disabled for -O0.
+
     # ARM Compiler 6 - Target ARMv7-A
-    armc6_build_test "--target=arm-arm-none-eabi -march=armv7-a"
+    armc6_build_test "--target=arm-arm-none-eabi -O1 -march=armv7-a"
 
     # ARM Compiler 6 - Target ARMv7-M
-    armc6_build_test "--target=arm-arm-none-eabi -march=armv7-m"
+    armc6_build_test "--target=arm-arm-none-eabi -O1 -march=armv7-m+dsp"
 
     # ARM Compiler 6 - Target ARMv8-A - AArch32
-    armc6_build_test "--target=arm-arm-none-eabi -march=armv8.2-a"
+    armc6_build_test "--target=arm-arm-none-eabi -O1 -march=armv8.2-a"
 
     # ARM Compiler 6 - Target ARMv8-M
-    armc6_build_test "--target=arm-arm-none-eabi -march=armv8-m.main"
+    armc6_build_test "--target=arm-arm-none-eabi -O1 -march=armv8-m.main"
 
     # ARM Compiler 6 - Target ARMv8.2-A - AArch64
-    armc6_build_test "--target=aarch64-arm-none-eabi -march=armv8.2-a+crypto"
+    armc6_build_test "--target=aarch64-arm-none-eabi -O1 -march=armv8.2-a+crypto"
 }
 
 component_test_tls13_only () {