dt-bindings: usb: samsung,exynos-dwc3: add power-domains

dt-bindings: usb: samsung,exynos-dwc3: add power-domains

The DWC3 can be part of a power domain, so we need to allow the
relevant property 'power-domains'.

Signed-off-by: André Draszik <andre.draszik@linaro.org>
Reviewed-by: Peter Griffin <peter.griffin@linaro.org>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20251007-power-domains-dt-bindings-usb-samsung-exynos-dwc3-v1-1-b63bacad2b42@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>