Rename plain c disable option

Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 8dd6b8c..20ced44 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -4946,7 +4946,7 @@
     scripts/config.py unset MBEDTLS_AESNI_C
     scripts/config.py unset MBEDTLS_PADLOCK_C
     scripts/config.py unset MBEDTLS_AESCE_C
-    scripts/config.py unset MBEDTLS_AES_HAS_NO_BUILTIN
+    scripts/config.py unset MBEDTLS_AES_HAS_NO_PLAIN_C
     msg "build: make, AES built-in only" # ~10s
     make
 
@@ -4959,7 +4959,7 @@
     scripts/config.py set MBEDTLS_AESNI_C
     scripts/config.py unset MBEDTLS_PADLOCK_C
     scripts/config.py unset MBEDTLS_AESCE_C
-    scripts/config.py set MBEDTLS_AES_HAS_NO_BUILTIN
+    scripts/config.py set MBEDTLS_AES_HAS_NO_PLAIN_C
     msg "build:  AESNI only" # ~10s
     make
 
@@ -4972,7 +4972,7 @@
     scripts/config.py unset MBEDTLS_AESNI_C
     scripts/config.py set MBEDTLS_PADLOCK_C
     scripts/config.py unset MBEDTLS_AESCE_C
-    scripts/config.py set MBEDTLS_AES_HAS_NO_BUILTIN
+    scripts/config.py set MBEDTLS_AES_HAS_NO_PLAIN_C
     msg "build: AES, VIA padlock only" # ~10s
     make CC=gcc CFLAGS="$ASAN_CFLAGS -m32 -O2" LDFLAGS="-m32 $ASAN_CFLAGS"