pinctrl: raspberrypi: rp2350: fix copy-paste error

correct the entry for PWM_3B_P23

Signed-off-by: Benjamin Cabé <[email protected]>

Author: kartben

include/zephyr/dt-bindings/pinctrl/rpi-pico-pinctrl-common.h

@@ -151,7 +151,7 @@
 #define PWM_2A_P20 RP2XXX_PINMUX(20, RP2_PINCTRL_GPIO_FUNC_PWM)
 #define PWM_2B_P21 RP2XXX_PINMUX(21, RP2_PINCTRL_GPIO_FUNC_PWM)
 #define PWM_3A_P22 RP2XXX_PINMUX(22, RP2_PINCTRL_GPIO_FUNC_PWM)
-#define PWM_3B_P22 RP2XXX_PINMUX(23, RP2_PINCTRL_GPIO_FUNC_PWM)
+#define PWM_3B_P23 RP2XXX_PINMUX(23, RP2_PINCTRL_GPIO_FUNC_PWM)
 #define PWM_4A_P24 RP2XXX_PINMUX(24, RP2_PINCTRL_GPIO_FUNC_PWM)
 #define PWM_4B_P25 RP2XXX_PINMUX(25, RP2_PINCTRL_GPIO_FUNC_PWM)
 #define PWM_5A_P26 RP2XXX_PINMUX(26, RP2_PINCTRL_GPIO_FUNC_PWM)