arm64: dts: qcom: x1e001de-devkit: Fix pin config for USB0 retimer vregs

Describe the missing power source, bias and direction for each of the USB0
retimer gpio-controlled voltage regulators related pin configuration.

Fixes: 019e1ee3 ("arm64: dts: qcom: x1e001de-devkit: Enable external DP support")
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20250422-x1e001de-devkit-dts-fix-retimer-gpios-v2-2-0129c4f2b6d7@linaro.org


Signed-off-by: Bjorn Andersson <andersson@kernel.org>