Revert "arm64: dts: meson-sm1-odroid-hc4: disable unused USB PHY0"

This reverts commit 703e84d6

.

USB device enumeration was not working on Odroid HC4 as both USB2 PHYs
need to be enabled. This is inherited from the GLX USB design [1].

[1]: https://lore.kernel.org/all/20170814224542.18257-1-martin.blumenstingl@googlemail.com/T/

Signed-off-by: Pierre-Olivier Mercier <nemunaire@nemunai.re>
Acked-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20230105120206.28964-1-nemunaire@nemunai.re
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>