cxgb4: Fix endian bug introduced in cxgb4 dcb patchset

Hi,
 This patch fixes warnings generated by sparse as pointed out by kbuild test
 robot, please apply to net-next. Applies on top of
commit 79631c8 ("trivial: net/irda/irlmp.c:
Fix closing brace followed by if")
-Anish

v2: cleanup submission as per davem's feedback

Fixes: 76bcb31 ("cxgb4 : Add DCBx support codebase  and dcbnl_ops")
Signed-off-by: Anish Bhatt <anish@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c

@@ -488,20 +488,20 @@ static void cxgb4_setpfccfg(struct net_device *dev, int priority, u8 pfccfg)
 		pcmd.op_to_portid |= cpu_to_be32(FW_PORT_CMD_APPLY);
 
 	pcmd.u.dcb.pfc.type = FW_PORT_DCB_TYPE_PFC;
-	pcmd.u.dcb.pfc.pfcen = cpu_to_be16(pi->dcb.pfcen);
+	pcmd.u.dcb.pfc.pfcen = pi->dcb.pfcen;
 
 	if (pfccfg)
-		pcmd.u.dcb.pfc.pfcen |= cpu_to_be16(1 << priority);
+		pcmd.u.dcb.pfc.pfcen |= (1 << priority);
 	else
-		pcmd.u.dcb.pfc.pfcen &= cpu_to_be16(~(1 << priority));
+		pcmd.u.dcb.pfc.pfcen &= (~(1 << priority));
 
 	err = t4_wr_mbox(adap, adap->mbox, &pcmd, sizeof(pcmd), &pcmd);
 	if (err != FW_PORT_DCB_CFG_SUCCESS) {
 		dev_err(adap->pdev_dev, "DCB PFC write failed with %d\n", -err);
 		return;
 	}
 
-	pi->dcb.pfcen = be16_to_cpu(pcmd.u.dcb.pfc.pfcen);
+	pi->dcb.pfcen = pcmd.u.dcb.pfc.pfcen;
 }
 
 static u8 cxgb4_setall(struct net_device *dev)