linux-wandboard

include/linux/Kbuild: remove duplicate entries

This patch removes three headers from header-y that were also listed as
unifdef-y.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>