ARM: dts: s5pv210: Use standard arrays of generic PHYs for EHCI/OHCI device

Move USB PHYs to a standard arrays for S5PV210 EHCI/OHCI devices. This
resolves the conflict between S5PV210 EHCI/OHCI sub-nodes and generic USB
device bindings.

Suggested-by: Måns Rullgård <mans@mansr.com>
Suggested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220314181948.246434-3-krzysztof.kozlowski@canonical.com