da9063: Add watchdog support

The DA9063 PMIC is a multi-function device that provides
regulator, watchdog, RTC, and ON key functionalities.

Add support for the DA9063 PMIC watchdog functionality.

Based on the 6.11 kernel drivers/watchdog/da9063_wdt.c driver.

Signed-off-by: Fabio Estevam <festevam@denx.de>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile
index 7b39adc..6b564b7 100644
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -29,6 +29,7 @@
 obj-$(CONFIG_WDT_CORTINA) += cortina_wdt.o
 obj-$(CONFIG_WDT_ORION) += orion_wdt.o
 obj-$(CONFIG_WDT_CDNS) += cdns_wdt.o
+obj-$(CONFIG_WDT_DA9063) += da9063-wdt.o
 obj-$(CONFIG_WDT_FTWDT010) += ftwdt010_wdt.o
 obj-$(CONFIG_WDT_GPIO) += gpio_wdt.o
 obj-$(CONFIG_WDT_MAX6370) += max6370_wdt.o