mediatek: YunCore AX835: fix voltage regulator
Specifying GPIO_ACTIVE_HIGH on the GPIO for the voltage regulator doesn't
suffice. The regulator itself requires enable-active-high to be set.
Fixes: #16292
Signed-off-by: Leon M. Busch-George <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/16839
Signed-off-by: Robert Marko <[email protected]>