intel-ipmi-oem:Support for Set/Get Manf MAC data

Support added for Set / Get Manufacturing data to program
the individual HW eth addr. This will be used in manufacturing
side.

Tested:
1. Verified that Get / Set Mfg data command works after mfg mode
2. ipmitool raw 0x30 0xA1 0x1 0x1a 0x6b 0x32 0x87 0x91 0x86
updates eth1 MAC after a reboot as expected.

Change-Id: I9a028e8688cd8c89fd51fdc14c570be10a51ed25
Signed-off-by: Richard Marian Thomaiyar <richard.marian.thomaiyar@linux.intel.com>
diff --git a/include/oemcommands.hpp b/include/oemcommands.hpp
index 95fc991..870a136 100644
--- a/include/oemcommands.hpp
+++ b/include/oemcommands.hpp
@@ -49,6 +49,8 @@
     cmdReadBaseBoardProductId = 0x93,
     cmdGetProcessorErrConfig = 0x9A,
     cmdSetProcessorErrConfig = 0x9B,
+    cmdSetManufacturingData = 0xA1,
+    cmdGetManufacturingData = 0xA2,
     cmdGetLEDStatus = 0xB0,
     cmdControlBmcServices = 0xB1,
     cmdGetBmcServiceStatus = 0xB2,