openbmc oem code: add blobTranserCmd

BlobTransferCmd is used by phosphor-ipmi-blobs

Change-Id: I48b0e7a764d7fb5fb834320fbe415e4849f06cd8
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/host-ipmid/oemopenbmc.hpp b/host-ipmid/oemopenbmc.hpp
index f8b96af..73a3f9f 100644
--- a/host-ipmid/oemopenbmc.hpp
+++ b/host-ipmid/oemopenbmc.hpp
@@ -15,6 +15,7 @@
     i2cCmd = 2,
     flashCmd = 3,
     fanManualCmd = 4,
+    blobTransferCmd = 128,
 };
 
 } // namespace oem