pinctrl: mvebu: armada-39x: fix incorrect total number of GPIOs

pinctrl: mvebu: armada-39x: fix incorrect total number of GPIOs

commit 7c580311a2cb3bb0d0188665c9c69227aed650ea upstream.

The pinctrl_gpio_range[] array described a first bank of 32 GPIOs and
a second one of 27 GPIOs. However, since there is a total of 60 MPP
pins that can be muxed as GPIOs, the second bank really has 28 GPIOs.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Fixes: ee086577abe7f ("pinctrl: mvebu: add pinctrl driver for Marvell Armada 39x")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>