[SCSI] bfa: remove a file with small size

Removed bfa_drv.c, merged it to bfa_core.c and modified Makefile.

Signed-off-by: Maggie Zhang <xmzhang@brocade.com>
Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/bfa/Makefile b/drivers/scsi/bfa/Makefile
index d2eefd3..ed26a6a 100644
--- a/drivers/scsi/bfa/Makefile
+++ b/drivers/scsi/bfa/Makefile
@@ -3,6 +3,6 @@
 bfa-y := bfad.o bfad_im.o bfad_attr.o bfad_debugfs.o
 bfa-y += bfa_ioc.o bfa_ioc_cb.o bfa_ioc_ct.o bfa_hw_cb.o bfa_hw_ct.o
 bfa-y += bfa_fcs.o bfa_fcs_lport.o bfa_fcs_rport.o bfa_fcs_fcpim.o bfa_fcbuild.o
-bfa-y += bfa_port.o bfa_fcpim.o bfa_core.o bfa_drv.o bfa_svc.o
+bfa-y += bfa_port.o bfa_fcpim.o bfa_core.o bfa_svc.o
 
 ccflags-y := -DBFA_PERF_BUILD