sunxi-usbc0: Silence udc_probe error

udc_probe failing is normal in host-only mode.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
sunxi-codec: Fix failing to load if there is no capture_used fex setting

This fixes the sound driver not loading on the A13-OLinuXino-MICRO.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
sunxi-uart: Only look for 2 uarts on A13

The A13 and A10s are both sun5i, but the A13 has only 2 uarts, where as
the A10s has 4. This fixes error messages like these when booting an A13 board:
[uart]: failed to get uart2's used information
[uart]: failed to get uart3's used information

Signed-off-by: Hans de Goede <hdegoede@redhat.com>