4216/1: add .gitignore entries for ARM specific files

Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: artas182x <artas182x@gmail.com>
4449/1: more entries in arch/arm/boot/.gitignore

Signed-off-by: Nicolas Pitre <npitre@mvista.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: artas182x <artas182x@gmail.com>
Fix sound lag (thanks franciscofranco)