gpio/pch_gpio: Support new device ML7223

Support new device OKI SEMICONDUCTOR ML7223 IOH(Input/Output Hub).
The ML7223 IOH is for MP(Media Phone) use.
The ML7223 is companion chip for Intel Atom E6xx series.
The ML7223 is completely compatible for Intel EG20T PCH.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
diff --git a/drivers/gpio/pch_gpio.c b/drivers/gpio/pch_gpio.c
index f970a5f..36919e7 100644
--- a/drivers/gpio/pch_gpio.c
+++ b/drivers/gpio/pch_gpio.c
@@ -283,8 +283,10 @@
 #define pch_gpio_resume NULL
 #endif
 
+#define PCI_VENDOR_ID_ROHM             0x10DB
 static DEFINE_PCI_DEVICE_TABLE(pch_gpio_pcidev_id) = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x8803) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_ROHM, 0x8014) },
 	{ 0, }
 };
 MODULE_DEVICE_TABLE(pci, pch_gpio_pcidev_id);