CryptoPkg CryptoLib: Update tool chain name to CLANGPDB

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2341

Signed-off-by: Liming Gao <liming.gao@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Reviewed-by: Jian J Wang <jian.j.wang@intel.com>

CryptoPkg/Library/BaseCryptLib/BaseCryptLib.inf

@@ -102,6 +102,6 @@
 
   GCC:*_CLANG35_*_CC_FLAGS = -std=c99
   GCC:*_CLANG38_*_CC_FLAGS = -std=c99
-  GCC:*_CLANG9_*_CC_FLAGS = -std=c99 -Wno-error=incompatible-pointer-types
+  GCC:*_CLANGPDB_*_CC_FLAGS = -std=c99 -Wno-error=incompatible-pointer-types
 
   XCODE:*_*_*_CC_FLAGS = -std=c99