arm64: dts: qcom: x1e80100: add missing PCIe minimum OPP

commit 98abf2fbd179017833c38edc9f3b587c69d07e2a upstream.

Add the missing PCIe CX performance level votes to avoid relying on
other drivers (e.g. USB) to maintain the nominal performance level
required for Gen3 speeds.

Fixes: 5eb83fc1 ("arm64: dts: qcom: x1e80100: Add PCIe nodes")
Cc: stable@vger.kernel.org	# 6.9
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240722094249.26471-4-johan+linaro@kernel.org


Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>