ASoC: wcd9xxx: restrict debugfs permission

Remove read permission for debugfs reg dump node
for group and users to not allow reading of wcd9xxx
registers.

CRs-fixed: 2113240
Bug: 62464339
Change-Id: I73a22e140446828e694fdc95fde7ac4e051c9548
Signed-off-by: Karthikeyan Mani <kmani@codeaurora.org>
CVE-2017-15850
[haggertk: Backport to 3.4/msm8974]
Signed-off-by: Kevin F. Haggerty <haggertk@lineageos.org>
(cherry picked from commit bca5f12bdc5d70dcd38f515aa0197f0de5c62536)
1 file changed