[PATCH v2 09/11] board: colibri_imx7: fix usb start on solo

[sbabic at denx.de]

> From: Marcel Ziswiler <marcel.ziswiler at toradex.com>
> This fixes the following crash when run on a Colibri iMX7S aka solo:
> Colibri iMX7 # usb start
> starting USB...
> Bus usb at 30b10000: USB EHCI 1.00
> Bus usb at 30b20000:
> The i.MX 7Solo has only one single USB OTG1 but no USB host port. Trying
> to initialize the nonexisting port just crashes.
> While at it also drop board_usb_phy_mode() which is also no longer used
> in the driver model age.
> Signed-off-by: Marcel Ziswiler <marcel.ziswiler at toradex.com>
Applied to u-boot-imx, master, thanks !

Best regards,
Stefano Babic

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