MIPS: ralink: add pci group to struct ralink_pinmux

This will be used for RT3662/RT3883.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Acked-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/5173/

arch/mips/ralink/common.h

@@ -23,6 +23,9 @@ struct ralink_pinmux {
 	struct ralink_pinmux_grp *uart;
 	int uart_shift;
 	void (*wdt_reset)(void);
+	struct ralink_pinmux_grp *pci;
+	int pci_shift;
+	u32 pci_mask;
 };
 extern struct ralink_pinmux rt_gpio_pinmux;