Add multi pd support to set performance state for cx domain
to maintain minimum corner voltage for USB clocks.

Signed-off-by: Sandeep Maheswaram <redacted>
---
v2:
Changed rpmhd_opp_svs to rmphd_opp_nom for cx domain.

 arch/arm64/boot/dts/qcom/sc7280.dtsi | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index d74a4c8..9e3b6ad 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi

@@ -2538,7 +2538,8 @@
                        interrupt-names = "hs_phy_irq", "dp_hs_phy_irq",
                                          "dm_hs_phy_irq", "ss_phy_irq";

-                       power-domains = <&gcc GCC_USB30_PRIM_GDSC>;
+                       power-domains = <&rpmhpd SC7280_CX>, <&gcc GCC_USB30_PRIM_GDSC>;