EmbeddedPkg: Add EFIAPI to several Ebl functions

The EFIAPI function declaration is missing for several functions in the
EmbeddedPkg/Ebl directory. A few function pointer struct members expect
EFIAPI though and GCC46/X64 will fail to compile the directory without
them.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Thomas Palmer <thomas.palmer@hpe.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18697 6f19259b-4bc3-4df7-8a09-765794883524

EmbeddedPkg/Ebl/Variable.c

@@ -1,6 +1,7 @@
 /** @file
 *
 *  Copyright (c) 2011, ARM Limited. All rights reserved.
+*  (C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR>
 *
 *  This program and the accompanying materials
 *  are licensed and made available under the terms and conditions of the BSD License
@@ -17,6 +18,7 @@
 #include <Guid/GlobalVariable.h>
 
 EFI_STATUS
+EFIAPI
 EblGetCmd (
   IN UINTN  Argc,
   IN CHAR8  **Argv
@@ -79,6 +81,7 @@ EblGetCmd (
 }
 
 EFI_STATUS
+EFIAPI
 EblSetCmd (
   IN UINTN  Argc,
   IN CHAR8  **Argv