Add I2C bus DXE driver and I2C host DXE driver following PI 1.3 spec.

Signed-off-by: Elvin Li <elvin.li@intel.com>
Reviewed-by: Leahy Leroy P <leroy.p.leahy@intel.com>


git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14549 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Bus/I2c/I2cDxe/I2cBusDxe.inf

@@ -0,0 +1,54 @@
+## @file
+#  This driver enumerates I2C devices on I2C bus and produce I2C
+#  IO Protocol on I2C devices.
+#
+#  Copyright (c) 2013, 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
+#  http://opensource.org/licenses/bsd-license.php
+#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = I2cBusDxe
+  FILE_GUID                      = 0C34B372-2622-4A13-A46E-BFD0DEB48BFF
+  MODULE_TYPE                    = UEFI_DRIVER
+  VERSION_STRING                 = 1.0
+  ENTRY_POINT                    = InitializeI2cBus
+  UNLOAD_IMAGE                   = I2cBusUnload
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+#  VALID_ARCHITECTURES           = IA32 X64 IPF EBC
+#
+
+[Sources.common]
+  I2cDxe.h
+  I2cBus.c
+
+[LibraryClasses]
+  BaseMemoryLib
+  DebugLib
+  DevicePathLib
+  MemoryAllocationLib
+  UefiBootServicesTableLib
+  UefiDriverEntryPoint
+  UefiLib
+
+[Packages]
+  MdePkg/MdePkg.dec
+
+[Protocols]
+  gEfiI2cIoProtocolGuid                             ## BY_START
+  gEfiI2cHostProtocolGuid                           ## BY_START
+  gEfiI2cMasterProtocolGuid                         ## TO_START
+  gEfiI2cEnumerateProtocolGuid                      ## TO_START
+  gEfiI2cBusConfigurationManagementProtocolGuid     ## TO_START
+  gEfiI2cHostProtocolGuid                           ## TO_START