IB/usnic: usnic should not select INFINIBAND_USER_ACCESS

This driver doesn't provide any kernel services, it only provides
an interface via uverbs, so it should depend on, not select, uverbs
support.
Signed-off-by: NJason Gunthorpe <jgg@mellanox.com>
Reviewed-by: NLeon Romanovsky <leonro@mellanox.com>
Signed-off-by: NJason Gunthorpe <jgg@mellanox.com>

drivers/infiniband/hw/usnic/Kconfig

 config INFINIBAND_USNIC
 	tristate "Verbs support for Cisco VIC"
 	depends on NETDEVICES && ETHERNET && INET && PCI && INTEL_IOMMU
+	depends on INFINIBAND_USER_ACCESS
 	select ENIC
 	select NET_VENDOR_CISCO
 	select PCI_IOV
-	select INFINIBAND_USER_ACCESS
 	---help---
 	  This is a low-level driver for Cisco's Virtual Interface
 	  Cards (VICs), including the VIC 1240 and 1280 cards.