ARM: dts: aspeed: Everest: Add directly controlled LEDs

These LEDs are directly connected to the BMC's GPIO bank

Signed-off-by: Eddie James <eajames@linux.ibm.com>
Signed-off-by: Vishwanatha Subbanna <vishwa@linux.vnet.ibm.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>