arm64: defconfig: Enable QCOM eUSB2 SNPS PHY and repeater

In order to have USB 2.0 working on Qualcomm SM8550, both the eUSB2 PHY
and the eUSB2 repeater need to be built as modules.
So select them accordingly.

Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230320151707.1842171-1-abel.vesa@linaro.org