mbedtls: Re-add patch to disable VIA padlock

thirdparty/README.md

@@ -312,6 +312,9 @@ File extracted from upstream release tarball (`-apache.tgz` variant):
 - LICENSE and apache-2.0.txt files
 - Applied the patch in `thirdparty/mbedtls/patches/1453.diff` (PR 1453).
   Soon to be merged upstream. Check it out at next update.
+- Applied the patch in `thirdparty/mbedtls/patches/padlock.diff`. This disables
+  VIA padlock support which defines a symbol `unsupported` which clashes with
+  a pre-defined symbol.
 - Added 2 files `godot_core_mbedtls_platform.{c,h}` providing configuration
   for light bundling with core.
 

thirdparty/mbedtls/include/mbedtls/config.h

@@ -2542,7 +2542,9 @@
  *
  * This modules adds support for the VIA PadLock on x86.
  */
-#define MBEDTLS_PADLOCK_C
+// -- GODOT start --
+// #define MBEDTLS_PADLOCK_C
+// -- GODOT end --
 
 /**
  * \def MBEDTLS_PEM_PARSE_C

thirdparty/mbedtls/patches/padlock.diff

+--- a/thirdparty/mbedtls/include/mbedtls/config.h
++++ b/thirdparty/mbedtls/include/mbedtls/config.h
+@@ -2477,7 +2477,9 @@
+  *
+  * This modules adds support for the VIA PadLock on x86.
+  */
+-#define MBEDTLS_PADLOCK_C
++// -- GODOT start --
++// #define MBEDTLS_PADLOCK_C
++// -- GODOT end --
+ 
+ /**
+  * \def MBEDTLS_PEM_PARSE_C