watchdog: qcom: update device tree bindings Update the compatible string to align with driver and also add SoC specific string to DTS. CC: [email protected] Signed-off-by: Matthew McClintock <[email protected]> Signed-off-by: Thomas Pedersen <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>