arm64: dts: qcom: sc7280: assign DSI clock source parents

Assign DSI clock source parents to DSI PHY clocks.
Signed-off-by: Rajeev Nandan <quic_rajeevny@quicinc.com>
Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/1662550553-28933-1-git-send-email-quic_rajeevny@quicinc.com

arch/arm64/boot/dts/qcom/sc7280.dtsi

@@ -3955,6 +3955,9 @@ mdss_dsi: dsi@ae94000 {
 					      "iface",
 					      "bus";
 
+				assigned-clocks = <&dispcc DISP_CC_MDSS_BYTE0_CLK_SRC>, <&dispcc DISP_CC_MDSS_PCLK0_CLK_SRC>;
+				assigned-clock-parents = <&mdss_dsi_phy 0>, <&mdss_dsi_phy 1>;
+
 				operating-points-v2 = <&dsi_opp_table>;
 				power-domains = <&rpmhpd SC7280_CX>;