CryptoPkg: Add EC key interface to DXE and protocol

The implementation provide EC key interface for EFI
 driver nad EFI BaseCrypt protocol.

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4102

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Xiaoyu Lu <xiaoyu1.lu@intel.com>
Cc: Guomin Jiang <guomin.jiang@intel.com>
Signed-off-by: Qi Zhang <qi1.zhang@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>

CryptoPkg/Include/Pcd/PcdCryptoServiceFamilyEnable.h

@@ -383,6 +383,10 @@ typedef struct {
       UINT8    GenerateKey                   : 1;
       UINT8    GetPubKey                     : 1;
       UINT8    DhComputeKey                  : 1;
+      UINT8    GetPublicKeyFromX509          : 1;
+      UINT8    GetPrivateKeyFromPem          : 1;
+      UINT8    DsaSign                       : 1;
+      UINT8    DsaVerify                     : 1;
     } Services;
     UINT32    Family;
   } Ec;