[ARM] Kirkwood: remove uart1 init calls for boards that don't expose uart1

Remove uart1 init calls for boards that use the physical pins onto
which the UART1 signals are multiplexed for different purposes.

Signed-off-by: Ronen Shitrit <rshitrit@marvell.com>
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
2 files changed