[PATCH v5 RESEND 1/2] usb: host: ehci-exynos: Remove unnecessary usb-phy support

Now that we have completely moved from older USB-PHY drivers to newer GENERIC-PHY drivers for PHYs available with USB controllers on Exynos series of SoCs, we can remove the support for the same in our host drivers too. We also defer the probe for our host in case we end up getting EPROBE_DEFER

[PATCH v5 RESEND 1/2] usb: host: ehci-exynos: Remove unnecessary usb-phy support

Now that we have completely moved from older USB-PHY drivers to newer GENERIC-PHY drivers for PHYs available with USB controllers on Exynos series of SoCs, we can remove the support for the same in our host drivers too. We also defer the probe for our host in case we end up getting EPROBE_DEFER