ARM: dts: aspeed: Correct palmetto device tree

Palmettos have 512MB of memory as opposed to the previously thought
256MB. Update the device trees accordingly.

We run the uart at 115200.

Signed-off-by: Cyril Bur <cyrilbur@gmail.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
1 file changed