CryptoPkg: Make EC source file config-able

REF:https://bugzilla.tianocore.org/show_bug.cgi?id=3679
REF:https://bugzilla.tianocore.org/show_bug.cgi?id=3828

Use PCD gEfiCryptoPkgTokenSpaceGuid.PcdEcEnabled to config-able
source files list in OpensslLib.inf and OpensslLibCrypto.inf.
If PcdEcEnabled equals to FALSE, this file will not be compiled.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Signed-off-by: yi1 li <yi1.li@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>

CryptoPkg/Library/Include/openssl/opensslconf.h

@@ -9,7 +9,7 @@
  * in the file LICENSE in the source distribution or at
  * https://www.openssl.org/source/license.html
  */
-
+#include <Library/PcdLib.h>
 #include <openssl/opensslv.h>
 
 #ifdef  __cplusplus
@@ -55,6 +55,11 @@ extern "C" {
 #ifndef OPENSSL_NO_DSA
 #define OPENSSL_NO_DSA
 #endif
+#if !FixedPcdGetBool (PcdEcEnabled)
+  #ifndef OPENSSL_NO_EC
+#define OPENSSL_NO_EC
+  #endif
+#endif
 #ifndef OPENSSL_NO_IDEA
 #define OPENSSL_NO_IDEA
 #endif