ARM: dts: aspeed: mtjade: Add uefi partition

Add SPI NOR partition for uefi.

Signed-off-by: Thang Q. Nguyen <thang@os.amperecomputing.com>
Signed-off-by: Quan Nguyen <quan@os.amperecomputing.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20211019060155.945-4-quan@os.amperecomputing.com


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