bcma: gpio: register all 32 GPIOs on BCM53572

I've here a device detected as:
bcma: bus0: Found chip with id 0xD144, rev 0x01 and package 0x08
I couldn't find GPIO handling hw button until trying GPIO 20. It seems
BCM53572 also has 32 GPIOs.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/bcma/driver_gpio.c b/drivers/bcma/driver_gpio.c
index d7f81ad..aec9f85 100644
--- a/drivers/bcma/driver_gpio.c
+++ b/drivers/bcma/driver_gpio.c
@@ -220,6 +220,7 @@
 #endif
 	switch (cc->core->bus->chipinfo.id) {
 	case BCMA_CHIP_ID_BCM5357:
+	case BCMA_CHIP_ID_BCM53572:
 		chip->ngpio	= 32;
 		break;
 	default: