serial, pch uart: Remove duplicate inclusion of linux/pci.h header

Only include linux/pci.h once in drivers/tty/serial/pch_uart.c

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

drivers/tty/serial/pch_uart.c

@@ -15,7 +15,6 @@
  *Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307, USA.
  */
 #include <linux/serial_reg.h>
-#include <linux/pci.h>
 #include <linux/module.h>
 #include <linux/pci.h>
 #include <linux/serial_core.h>