phy: qcom-qmp-pcie: sc8180x PCIe PHY has 2 lanes

All PCIe PHYs on sc8180x platform have 2 lanes, so change the number of
lanes to 2.

Fixes: f839f14e ("phy: qcom-qmp: Add sc8180x PCIe support")
Cc: stable@vger.kernel.org # 5.15
Sgned-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20230331151250.4049-1-dmitry.baryshkov@linaro.org


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