OMAP: GPIO: Make omap_gpio_show_rev bank specific

Otherwise GPIO init on 16xx may try to access uninitialized GPIO
bank as the MPUIO bank does not have a revision register.

Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
1 file changed