pinctrl: nuvoton: fix set persist error

CA9C is cortex A9 watchdog reset control bit.
if device set persist mode, it shouldn't set this bit.

Signed-off-by: Jim Liu <JJLIU0@nuvoton.com>
diff --git a/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c b/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c
index f6e2041..31678f5 100644
--- a/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c
+++ b/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c
@@ -1388,10 +1388,10 @@
 	dev_dbg(dev, "set gpio persist, bank %d, enable %d\n", banknum, enable);
 
 	if (enable) {
-		regmap_update_bits(priv->rst_regmap, NPCM7XX_RST_WD0RCR, BIT(num) | CA9C_RESET, 0);
-		regmap_update_bits(priv->rst_regmap, NPCM7XX_RST_WD1RCR, BIT(num) | CA9C_RESET, 0);
-		regmap_update_bits(priv->rst_regmap, NPCM7XX_RST_WD2RCR, BIT(num) | CA9C_RESET, 0);
-		regmap_update_bits(priv->rst_regmap, NPCM7XX_RST_CORSTC, BIT(num) | CA9C_RESET, 0);
+		regmap_update_bits(priv->rst_regmap, NPCM7XX_RST_WD0RCR, BIT(num), 0);
+		regmap_update_bits(priv->rst_regmap, NPCM7XX_RST_WD1RCR, BIT(num), 0);
+		regmap_update_bits(priv->rst_regmap, NPCM7XX_RST_WD2RCR, BIT(num), 0);
+		regmap_update_bits(priv->rst_regmap, NPCM7XX_RST_CORSTC, BIT(num), 0);
 	} else {
 		regmap_update_bits(priv->rst_regmap, NPCM7XX_RST_WD0RCR, BIT(num) | CA9C_RESET, BIT(num) | CA9C_RESET);
 		regmap_update_bits(priv->rst_regmap, NPCM7XX_RST_WD1RCR, BIT(num) | CA9C_RESET, BIT(num) | CA9C_RESET);