Make procfs non-optional unless EMBEDDED is set, just like sysfs.  procfs
is already de facto required for a large subset of Linux functionality.
Signed-off-by: NH. Peter Anvin <hpa@zytor.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>