[U-Boot] [PATCH 05/17] sunxi: usbc: Add support for usb-vbus0 controller by axp drivebus pin

[Ian Campbell]

On Sun, 2015-01-11 at 20:34 +0100, Hans de Goede wrote:
> The axp221 / axp223's N_VBUSEN pin can be configured as an output rather
> then an input, and this is used on some boards to control usb-vbus0, add
> support for this.
> 
> Signed-off-by: Hans de Goede <hdegoede at redhat.com>

I wonder if we should expose this as a pseudo-gpio? Anyway, this'll do
for starters:

Acked-by: Ian Campbell <ijc at hellion.org.uk>