MdePkg: Replace Opcode with the corresponding instructions.

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3790

Replace Opcode with the corresponding instructions.
The code changes have been verified with CompareBuild.py tool, which
can be used to compare the results of two different EDK II builds to
determine if they generate the same binaries.
(tool link: https://github.com/mdkinney/edk2/tree/sandbox/CompareBuild)

Signed-off-by: Jason Lou <yun.lou@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Zhiguang Liu <zhiguang.liu@intel.com>

MdePkg/Library/BaseLib/X64/WriteDr4.nasm

@@ -1,6 +1,6 @@
 ;------------------------------------------------------------------------------
 ;
-; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
+; Copyright (c) 2006 - 2022, Intel Corporation. All rights reserved.<BR>
 ; SPDX-License-Identifier: BSD-2-Clause-Patent
 ;
 ; Module Name:
@@ -31,7 +31,7 @@ ASM_PFX(AsmWriteDr4):
     ; There's no obvious reason to access this register, since it's aliased to
     ; DR6 when DE=0 or an exception generated when DE=1
     ;
-    DB      0xf, 0x23, 0xe1
+    mov     dr4, rcx
     mov     rax, rcx
     ret