ARM: pxa25x_udc: stop handling gpio-vbus internally

Stop handling gpio-vbus internally. All boards that depended on this
functionality have been converted to use gpio-vbus tranceiver. All
new boards can use it right from the start. Drop unused code.

Signed-off-by: Dmitry Eremin-Solenikov <[email protected]>
Signed-off-by: Eric Miao <[email protected]>
1 file changed