pinctrl: meson-axg: adjust uart_ao_b pin group naming

Simply adjust the pin group to _x _y _z style, as to
keep the consistency in DT with previous naming scheme.

Fixes: 83c56680 ("pinctrl: meson-axg: Add new pinctrl driver for Meson AXG SoC")
Signed-off-by: Yixun Lan <yixun.lan@amlogic.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/meson/pinctrl-meson-axg.c

@@ -716,7 +716,7 @@ static const char * const uart_b_groups[] = {
 	"uart_tx_b_x", "uart_rx_b_x", "uart_cts_b_x", "uart_rts_b_x",
 };
 
-static const char * const uart_ao_b_gpioz_groups[] = {
+static const char * const uart_ao_b_z_groups[] = {
 	"uart_ao_tx_b_z", "uart_ao_rx_b_z",
 	"uart_ao_cts_b_z", "uart_ao_rts_b_z",
 };
@@ -855,7 +855,7 @@ static struct meson_pmx_func meson_axg_periphs_functions[] = {
 	FUNCTION(nand),
 	FUNCTION(uart_a),
 	FUNCTION(uart_b),
-	FUNCTION(uart_ao_b_gpioz),
+	FUNCTION(uart_ao_b_z),
 	FUNCTION(i2c0),
 	FUNCTION(i2c1),
 	FUNCTION(i2c2),