ABI: o2cb: add an obsolete file for /sys/o2cb

This was renamed to /sys/fs/o2cb. Mark the old name as
obsolete.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/25210a6af51b65808e3f102f9f08c3f90b763801.1632750608.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2 files changed