[Patch] IntelFsp2WrapperPkg: Update BaseFspWrapperApiLib to pass XCODE5 build

[Liming Gao <liming.gao@intel.com>]

XCODE5 doesn't support absolute addressing in the assembly code.
This change uses lea instruction to get the address.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Liming Gao <liming.gao@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
---
 .../Library/BaseFspWrapperApiLib/X64/Thunk64To32.nasm          | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/IntelFsp2WrapperPkg/Library/BaseFspWrapperApiLib/X64/Thunk64To32.nasm b/IntelFsp2WrapperPkg/Library/BaseFspWrapperApiLib/X64/Thunk64To32.nasm
index bcc6d70..a6ad6cf 100644
--- a/IntelFsp2WrapperPkg/Library/BaseFspWrapperApiLib/X64/Thunk64To32.nasm
+++ b/IntelFsp2WrapperPkg/Library/BaseFspWrapperApiLib/X64/Thunk64To32.nasm
@@ -1,5 +1,5 @@
 ;
-; Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
+; Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.<BR>
 ; This program and the accompanying materials
 ; are licensed and made available under the terms and conditions of the BSD License
 ; which accompanies this distribution.  The full text of the license may be found at
@@ -81,7 +81,7 @@ ASM_PFX(AsmExecute32BitCode):
     ;
     mov     rax, dword 0x10              ; load long mode selector
     shl     rax, 32
-    mov     r9,  ReloadCS          ;Assume the ReloadCS is under 4G
+    lea     r9,  [ReloadCS]          ;Assume the ReloadCS is under 4G
     or      rax, r9
     push    rax
     ;
@@ -95,7 +95,7 @@ ASM_PFX(AsmExecute32BitCode):
     ; save the 32-bit function entry and the return address into stack which will be
     ; retrieve in compatibility mode.
     ;
-    mov     rax, ReturnBack   ;Assume the ReloadCS is under 4G
+    lea     rax, [ReturnBack]   ;Assume the ReloadCS is under 4G
     shl     rax, 32
     or      rax, rcx
     push    rax
@@ -110,7 +110,7 @@ ASM_PFX(AsmExecute32BitCode):
     ;
     mov     rcx, dword 0x8               ; load compatible mode selector
     shl     rcx, 32
-    mov     rdx, Compatible ; assume address < 4G
+    lea     rdx, [Compatible] ; assume address < 4G
     or      rcx, rdx
     push    rcx
     retf
@@ -208,7 +208,7 @@ ReloadCS:
     ;
     pop     r9                 ; get  CS
     shl     r9,  32            ; rcx[32..47] <- Cs
-    mov     rcx, .0
+    lea     rcx, [.0]
     or      rcx, r9
     push    rcx
     retf
-- 
2.8.0.windows.1