RDMA/ocrdma: set vlan present bit for user AH

For the AH that describs a VLAN interface details, vlan present bit
needs to be set during posting a WQE. This patch adds the code to
allow it happening.

Signed-off-by: Mitesh Ahuja <mitesh.ahuja@emulex.com>
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

drivers/infiniband/hw/ocrdma/ocrdma_sli.h

@@ -1734,6 +1734,7 @@ enum {
 	OCRDMA_FLAG_FENCE_R	= 0x8,
 	OCRDMA_FLAG_SOLICIT	= 0x10,
 	OCRDMA_FLAG_IMM		= 0x20,
+	OCRDMA_FLAG_AH_VLAN_PR  = 0x40,
 
 	/* Stag flags */
 	OCRDMA_LKEY_FLAG_LOCAL_WR	= 0x1,