The new check for asm/types.h and linux/types.h had
a few false positives.
o We cannot let linux/types.h include linux/types.h
o The int-ll64.h and int-ll64.h define the types
and are included by linux/types.h
Handle this by hardcoding the filenames in the headers_check script.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>