intel: XMM7360: move Xmm7360RpcMsgArgType UNKNOWN value first in enum

That way UNKNOWN is the zero'd value instead of BYTE; it's easier
to test for and less error-prone if not explicitly set to the right
value.

Signed-off-by: Dan Williams <dan@ioncontrol.co>

src/plugins/intel/mm-xmmrpc-xmm7360-protocol.h

@@ -484,11 +484,11 @@ typedef enum {
 } Xmm7360RpcUnsolId;
 
 typedef enum {
+    XMM7360_RPC_MSG_ARG_TYPE_UNKNOWN,
     XMM7360_RPC_MSG_ARG_TYPE_BYTE,
     XMM7360_RPC_MSG_ARG_TYPE_SHORT,
     XMM7360_RPC_MSG_ARG_TYPE_LONG,
     XMM7360_RPC_MSG_ARG_TYPE_STRING,
-    XMM7360_RPC_MSG_ARG_TYPE_UNKNOWN,
 } Xmm7360RpcMsgArgType;