ARM: 5932/1: ux500: fix DEBUG_LL/earlyprintk

Add a static mapping for the UART and correct its virtual address in
debug-macro.S, to make DEBUG_LL/earlyprintk work.

Acked-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>