IB/usnic: Set userspace/kernel ABI ver to 4

usNIC userspace/kernel ABI should be set to 4 instead of 3.
Signed-off-by: NUpinder Malhi <umalhi@cisco.com>
Signed-off-by: NRoland Dreier <roland@purestorage.com>

drivers/infiniband/hw/usnic/usnic_abi.h

@@ -21,7 +21,7 @@
 #define USNIC_ABI_H
 
 /* ABI between userspace and kernel */
-#define USNIC_UVERBS_ABI_VERSION	3
+#define USNIC_UVERBS_ABI_VERSION	4
 
 #define USNIC_QP_GRP_MAX_WQS		8
 #define USNIC_QP_GRP_MAX_RQS		8