The AU1100 processor does not have an internal UART2. Only
UART0, UART1 and UART3 exist. This patch removes the non existing
UART2 and replaces it with a descriptive comment.
Signed-off-by: NFreddy Spierenburg <freddy@dusktilldawn.nl>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>