phy: qcom-qmp-combo: rename sc8280xp config

In preparation for merging the USB and DP configurations, drop the
"combo" infix from the SC8280XP combined configuration for consistency
with the other platforms.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20221114110621.4639-16-johan+linaro@kernel.org


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