IB: Move PCI dependency from root KConfig to HW's KConfigs

No reason to have dependency on PCI for the entire infiniband stack so
move it to KConfig of only the drivers that actually using PCI.

Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

drivers/infiniband/sw/rdmavt/Kconfig

@@ -1,6 +1,7 @@
 config INFINIBAND_RDMAVT
 	tristate "RDMA verbs transport library"
 	depends on 64BIT
+	depends on PCI
 	select DMA_VIRT_OPS
 	---help---
 	This is a common software verbs provider for RDMA networks.