dt-bindings: update pinctrl gd32f450xx generated headers

Add PA4 DAC_OUT0 analog mode to gd32f450xx headers.

Signed-off-by: HaiLong Yang <[email protected]>

Author: cameled

include/dt-bindings/pinctrl/gd32f450i(g-i-k)xx-pinctrl.h

@@ -432,6 +432,10 @@
 #define CTC_SYNC_PF0 \
 	GD32_PINMUX_AF('F', 0, AF0)
 
+/* DAC_OUT0 */
+#define DAC_OUT0_PA4 \
+	GD32_PINMUX_AF('A', 4, ANALOG)
+
 /* DAC_OUT1 */
 #define DAC_OUT1_PA5 \
 	GD32_PINMUX_AF('A', 5, ANALOG)

include/dt-bindings/pinctrl/gd32f450v(e-g-i-k)xx-pinctrl.h

@@ -278,6 +278,10 @@
 #define CTC_SYNC_PD15 \
 	GD32_PINMUX_AF('D', 15, AF0)
 
+/* DAC_OUT0 */
+#define DAC_OUT0_PA4 \
+	GD32_PINMUX_AF('A', 4, ANALOG)
+
 /* DAC_OUT1 */
 #define DAC_OUT1_PA5 \
 	GD32_PINMUX_AF('A', 5, ANALOG)

include/dt-bindings/pinctrl/gd32f450z(e-g-i-k)xx-pinctrl.h

@@ -376,6 +376,10 @@
 #define CTC_SYNC_PF0 \
 	GD32_PINMUX_AF('F', 0, AF0)
 
+/* DAC_OUT0 */
+#define DAC_OUT0_PA4 \
+	GD32_PINMUX_AF('A', 4, ANALOG)
+
 /* DAC_OUT1 */
 #define DAC_OUT1_PA5 \
 	GD32_PINMUX_AF('A', 5, ANALOG)