ARM: dts: aspeed: tiogapass: add hotplug controller

The ADM1278 IC is accessible on I2C bus and on both Wiwynn and Quanta
Tioga Pass implementations a pair of parallel 0.5 mOhm resistors is used
for current measurement.

Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Link: https://lore.kernel.org/r/20210415140521.11352-1-fercerpav@gmail.com


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