pinctrl: meson: fix gxbb ao pull register bits

AO pull register definition is inverted between pull (up/down) and
pull enable. Fixing this allows to properly apply bias setting
through pinconf

Fixes: 468c234f9ed7 ("pinctrl: amlogic: Add support for Amlogic Meson GXBB SoC")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/meson/pinctrl-meson-gxbb.c

@@ -830,7 +830,7 @@ static struct meson_bank meson_gxbb_periphs_banks[] = {
 
 static struct meson_bank meson_gxbb_aobus_banks[] = {
 	/*   name    first      last       irq    pullen  pull    dir     out     in  */
-	BANK("AO",   GPIOAO_0,  GPIOAO_13, 0, 13, 0,  0,  0, 16,  0,  0,  0, 16,  1,  0),
+	BANK("AO",   GPIOAO_0,  GPIOAO_13, 0, 13, 0,  16, 0, 0,   0,  0,  0, 16,  1,  0),
 };
 
 static struct meson_pinctrl_data meson_gxbb_periphs_pinctrl_data = {