microblaze: pci: Remove duplicated include from pci-common.c

Remove duplicated include.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

arch/microblaze/pci/pci-common.c

@@ -30,7 +30,6 @@
 #include <linux/of.h>
 #include <linux/of_address.h>
 #include <linux/of_pci.h>
-#include <linux/pci.h>
 #include <linux/export.h>
 
 #include <asm/processor.h>