dt-bindings: phy: samsung,ufs-phy: add power-domains

dt-bindings: phy: samsung,ufs-phy: add power-domains

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

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://patch.msgid.link/20251224-power-domains-dt-bindings-phy-samsung-ufs-phy-v2-1-581089639982@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>