ARM: dts: aspeed: wedge100: Enable ADC channels

Enable the ADC voltage sensoring channels used by Wedge100.

Signed-off-by: Tao Ren <rentao.bupt@gmail.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20210719001724.6410-5-rentao.bupt@gmail.com


Signed-off-by: Joel Stanley <joel@jms.id.au>