dt-bindings: phy: qmp-ufs: describe the UFS PHY for sa8775p

Add a new compatible for the QMP UFS PHY found on sa8775p platforms and
update the clocks property to accommodate three clocks.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230411130446.401440-3-brgl@bgdev.pl


Signed-off-by: Vinod Koul <vkoul@kernel.org>