lib/Kconfig.debug: fix a typo "capabilitiy" -> "capability"

s/capabilitiy/capability

Signed-off-by: Qiujun Huang <hqjagain@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/1585818594-27373-1-git-send-email-hqjagain@gmail.com


Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>