Revert move of version.h to tf-psa-crypto libray

This commit moves version.h back into /include/mbedtls from
tf-psa-crypto/drivers/builtin/include. This commit also changes the
necessary build files and scripts to generate version_features.c

Signed-off-by: Harry Ramsey <harry.ramsey@arm.com>
diff --git a/scripts/generate_features.pl b/scripts/generate_features.pl
index 6972682..cea8c11 100755
--- a/scripts/generate_features.pl
+++ b/scripts/generate_features.pl
@@ -16,7 +16,7 @@
 } else {
     $include_dir = 'include/mbedtls';
     $data_dir = 'scripts/data_files';
-    $feature_file = 'tf-psa-crypto/drivers/builtin/src/version_features.c';
+    $feature_file = 'library/version_features.c';
 
     unless( -d $include_dir && -d $data_dir ) {
         chdir '..' or die;