Do not use whitespace in arguments of functions in makefiles, as they
propagate further without notice.  Thus we get

  + echo ' y'

  instead of

  + echo y

Fix misleading comments.
Signed-off-by: NOleg Verych <olecom@flower.upol.cz>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>