dt-bindings: phy: Add QMP UFS PHY compatible for SM6125

Document the QMP UFS PHY compatible for SM6125.

Signed-off-by: Lux Aliaga <they@mint.lgbt>
Reviewed-by: Martin Botka <martin.botka@somainline.org>
Acked-by: Dhruva Gole <d-gole@ti.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230108195336.388349-3-they@mint.lgbt


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