arm64: dts: qcom: pm8550b: Add eUSB2 repeater node

Add nodes for the eUSB2 repeater found on the pm8550b SPMI PMIC.

Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230208190200.2966723-7-abel.vesa@linaro.org