ARM: at91: remove unused dbgu_readl() macro

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
ARM: at91/setup: fix trivial typos

Fix a few trivial typos in panic, warning and debug messages.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>