i.MX RT SoC have some pins related to the watchdog.
For example, iomuxc_gpio_ad_b0_15_wdog1_rst_b_deb allows WDOG1_RST_B_DEB
signal to be used as reset source for i.MX RT10xx boards.
Signed-off-by: Benjamin Lemouzy <blemouzy@centralp.fr>
Update watchdog drivers to use DT_HAS_<compat>_ENABLED Kconfig symbol
to expose the driver and enable it by default based on devicetree.
We remove 'depend on' Kconfig for symbols that would be implied by
the devicetree node existing.
Signed-off-by: Kumar Gala <galak@kernel.org>