MdePkg: Remove X86 ASM and S files

NASM has replaced ASM and S files.
1. Remove ASM from all modules.
2. Remove S files from the drivers only.
3. https://bugzilla.tianocore.org/show_bug.cgi?id=881
After NASM is updated, S files can be removed from Library.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Michael Kinney <michael.d.kinney@intel.com>

MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf

@@ -6,7 +6,7 @@
 #  MMIO requests are forwarded directly to memory.  For EBC, I/O port requests
 #  ASSERT().
 #
-#  Copyright (c) 2007 - 2015, Intel Corporation. All rights reserved.<BR>
+#  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
 #  Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
 #  Copyright (c) 2017, AMD Incorporated. All rights reserved.<BR>
 #
@@ -44,7 +44,6 @@
   IoLibIcc.c    | INTEL
   IoLib.c
   Ia32/IoFifo.nasm
-  Ia32/IoFifo.asm
 
 [Sources.X64]
   IoLibGcc.c    | GCC
@@ -52,7 +51,6 @@
   IoLibIcc.c    | INTEL
   IoLib.c
   X64/IoFifo.nasm
-  X64/IoFifo.asm
 
 [Sources.EBC]
   IoLibEbc.c