enic: fix boolreturn.cocci warnings

drivers/net/ethernet/cisco/enic/vnic_dev.c:1294:9-10: WARNING: return of 0/1 in function 'vnic_dev_capable_udp_rss' with return type bool

 Return statements in functions returning bool should use
 true/false instead of 1/0.
Generated by: scripts/coccinelle/misc/boolreturn.cocci

Fixes: 48398b6e ("enic: set UDP rss flag")
CC: Govindarajulu Varadarajan <gvaradar@cisco.com>
Signed-off-by: NFengguang Wu <fengguang.wu@intel.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/cisco/enic/vnic_dev.c

@@ -1291,7 +1291,7 @@ bool vnic_dev_capable_udp_rss(struct vnic_dev *vdev)
 
 	err = vnic_dev_cmd(vdev, CMD_CAPABILITY, &a0, &a1, wait);
 	if (err || !a0)
-		return 0;
+		return false;
 
 	rss_hash_type = (a1 >> NIC_CFG_RSS_HASH_TYPE_SHIFT) &
 			NIC_CFG_RSS_HASH_TYPE_MASK_FIELD;