ARM: dts: aspeed: everest: GPIOs support

This commit adds support for-
- Presence GPIOs
- I2C control GPIOs
- Op-panel GPIOs (ex PHR)

Signed-off-by: Alpana Kumari <alpankum@in.ibm.com>
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Brandon Wyman <bjwyman@gmail.com>
Link: https://lore.kernel.org/r/20210329150020.13632-19-eajames@linux.ibm.com


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