bnx2x: Create bnx2x_cmn.* files

Newly created files have no functionality changes,
but includes some functionality from bnx2x_main.c which
is common for PF and coming in the future VF driver.
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/bnx2x/Makefile

@@ -4,4 +4,4 @@
 
 obj-$(CONFIG_BNX2X) += bnx2x.o
 
-bnx2x-objs := bnx2x_main.o bnx2x_link.o
+bnx2x-objs := bnx2x_main.o bnx2x_link.o bnx2x_cmn.o

drivers/net/bnx2x/bnx2x.h

@@ -45,6 +45,7 @@
 #endif
 
 #include <linux/mdio.h>
+#include <linux/pci.h>
 #include "bnx2x_reg.h"
 #include "bnx2x_fw_defs.h"
 #include "bnx2x_hsi.h"