phy: qcom-qmp: Allow different values for second lane

The primary USB PHY on sm8250 sets some values differently for the second
lane. This makes it possible to represent that.

Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20200524021416.17049-2-jonathan@marek.ca


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