Provide watchdog node definition to stm32 dtsi files to enable watchdog configuration by device tree. Add matching st,stm32-watchdog binding. Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
To move forward and remove use of Kconfig in dts files lets just create SoC specific dtsi files that the boards can include. We also seperate out the L0 dtsi files into their own dir. Signed-off-by: Kumar Gala <kumar.gala@linaro.org>