docs: ABI: remove extension from sysfs-class-mic.txt

Files under ABI doesn't end with a .txt extension.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Link: https://lore.kernel.org/r/5113d1ae9d2dd3bc685bbb65655abd67e26f48c4.1562668471.git.mchehab+samsung@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mauro Carvalho Chehab 2019-07-09 07:34:37 -03:00 committed by Greg Kroah-Hartman
parent bc83f79bd2
commit 0854d589aa