t6-common: Fix permissions on CPU parameter nodes

Change-Id: I4056ff3b5b09f1c630ea7a7a1c3397cc80426249
t6-common: use default backlight configuration

Change-Id: I7a924e9e2548af8094605a2f711bb4748b3c030f
Merge "t6-common: use default backlight configuration" into cm-11.0
Merge branch 'cm-11.0' into kk_mkt