SecurityPkg/TPM2: Move GetDigestFromDigestList() to Tpm2CommandLib

This patch just moves function Tpm2GetDigestFromDigestList() from
drivers to library as GetDigestFromDigestList() and no functionality change.

Cc: Chao B Zhang <chao.b.zhang@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Chao Zhang <chao.b.zhang@intel.com>

SecurityPkg/Include/Library/Tpm2CommandLib.h

@@ -988,4 +988,22 @@ GetHashSizeFromAlgo (
   IN TPMI_ALG_HASH    HashAlgo
   );
 
+/**
+  This function get digest from digest list.
+
+  @param HashAlg    digest algorithm
+  @param DigestList digest list
+  @param Digest     digest
+
+  @retval EFI_SUCCESS   Sha1Digest is found and returned.
+  @retval EFI_NOT_FOUND Sha1Digest is not found.
+**/
+EFI_STATUS
+EFIAPI
+GetDigestFromDigestList(
+  IN TPMI_ALG_HASH      HashAlg,
+  IN TPML_DIGEST_VALUES *DigestList,
+  IN VOID               *Digest
+  );
+
 #endif