This reverts commit b7a2bcb4a3 which is
commit 3b132ab67fc7a358fff35e808fa65d4bea452521 upstream.
As reported, it breaks the build, the 'gregs' field is not in the 4.4.y
kernel tree.
Reported-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210721144845.GA3445926@roeck-us.net
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Cc: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>