dt-bindings: arm: aspeed: document Ufispace NCPLite BMC

Document Ufispace NCPLite board compatible.

Signed-off-by: Jordan Chang <jordan.chang@ufispace.com>
Link: https://lore.kernel.org/r/20230119102102.73414-3-jordan.chang@ufispace.com


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