padlock: introduce MBEDTLS_VIA_PADLOCK_HAVE_CODE

Signed-off-by: Pengyu Lv <pengyu.lv@arm.com>
diff --git a/library/padlock.c b/library/padlock.c
index 303f82c7..c09d31f 100644
--- a/library/padlock.c
+++ b/library/padlock.c
@@ -37,7 +37,7 @@
 #endif
 /* *INDENT-ON* */
 
-#if defined(MBEDTLS_HAVE_X86)
+#if defined(MBEDTLS_VIA_PADLOCK_HAVE_CODE)
 
 /*
  * PadLock detection routine
@@ -161,6 +161,6 @@
     return 0;
 }
 
-#endif /* MBEDTLS_HAVE_X86 */
+#endif /* MBEDTLS_VIA_PADLOCK_HAVE_CODE */
 
 #endif /* MBEDTLS_PADLOCK_C */