boards: arm: mec15xxevb: Use internal pull-up for KSC input pins

Even though possible to use external pull-up and open drain buffer,
prefer internal pull-up to reduce power consumption.

Signed-off-by: Jose Alberto Meza <[email protected]>

Author: albertofloyd

boards/arm/mec15xxevb_assy6853/pinmux.c

@@ -385,28 +385,28 @@ static int board_pinmux_init(const struct device *dev)
 
 	/* KSCAN KSI00 */
 	pinmux_pin_set(porta, MCHP_GPIO_017,
-		       MCHP_GPIO_CTRL_MUX_F1 | MCHP_GPIO_CTRL_BUFT_OPENDRAIN);
+		       MCHP_GPIO_CTRL_MUX_F1 | MCHP_GPIO_CTRL_PUD_PU);
 	/* KSCAN KSI01 */
 	pinmux_pin_set(porta, MCHP_GPIO_020,
-		       MCHP_GPIO_CTRL_MUX_F1 | MCHP_GPIO_CTRL_BUFT_OPENDRAIN);
+		       MCHP_GPIO_CTRL_MUX_F1 | MCHP_GPIO_CTRL_PUD_PU);
 	/* KSCAN KSI02 */
 	pinmux_pin_set(porta, MCHP_GPIO_021,
-		       MCHP_GPIO_CTRL_MUX_F1 | MCHP_GPIO_CTRL_BUFT_OPENDRAIN);
+		       MCHP_GPIO_CTRL_MUX_F1 | MCHP_GPIO_CTRL_PUD_PU);
 	/* KSCAN KSI03 */
 	pinmux_pin_set(porta, MCHP_GPIO_026,
-		       MCHP_GPIO_CTRL_MUX_F1 | MCHP_GPIO_CTRL_BUFT_OPENDRAIN);
+		       MCHP_GPIO_CTRL_MUX_F1 | MCHP_GPIO_CTRL_PUD_PU);
 	/* KSCAN KSI04 */
 	pinmux_pin_set(porta, MCHP_GPIO_027,
-		       MCHP_GPIO_CTRL_MUX_F1 | MCHP_GPIO_CTRL_BUFT_OPENDRAIN);
+		       MCHP_GPIO_CTRL_MUX_F1 | MCHP_GPIO_CTRL_PUD_PU);
 	/* KSCAN KSI05 */
 	pinmux_pin_set(porta, MCHP_GPIO_030,
-		       MCHP_GPIO_CTRL_MUX_F1 | MCHP_GPIO_CTRL_BUFT_OPENDRAIN);
+		       MCHP_GPIO_CTRL_MUX_F1 | MCHP_GPIO_CTRL_PUD_PU);
 	/* KSCAN KSI06 */
 	pinmux_pin_set(porta, MCHP_GPIO_031,
-		       MCHP_GPIO_CTRL_MUX_F1 | MCHP_GPIO_CTRL_BUFT_OPENDRAIN);
+		       MCHP_GPIO_CTRL_MUX_F1 | MCHP_GPIO_CTRL_PUD_PU);
 	/* KSCAN KSI07 */
 	pinmux_pin_set(porta, MCHP_GPIO_032,
-		       MCHP_GPIO_CTRL_MUX_F1 | MCHP_GPIO_CTRL_BUFT_OPENDRAIN);
+		       MCHP_GPIO_CTRL_MUX_F1 | MCHP_GPIO_CTRL_PUD_PU);
 #endif /* CONFIG_KSCAN_XEC */
 
 #ifdef CONFIG_PECI_XEC