Remove duplicate "return 0" in qmp_v4_configure_dp_phy()

Fixes: 186ad90a ("phy: qcom: qmp-combo: reuse register layouts for even more registers")
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Link: https://lore.kernel.org/r/20240228-topic-sm8x50-upstream-phy-combo-fix-duplicate-return-v1-1-60027a37cab1@linaro.orgSigned-off-by: Vinod Koul <vkoul@kernel.org>