PicoIMX: Fix file permissions, SELinux policy.

-Several text files had executable permissions. Remove the +x.
-Some domains are attempting to load kernel modules (which is
not allowed in Brillo), resulting in several denials like:
"""
denied { module_request } for kmod="personality-8" scontext=u:r:init:s0
  tcontext=u:r:kernel:s0 tclass=system
"""

Stop auditing these denials to make it easier to diagnose real SELinux
issues.

-'allow mediaserver debug_prop:property_service set;' is not needed.

Bug: 27249509
Change-Id: Iced4d96b63bb100f5b7ec27b08cbf14d884e65df
diff --git a/fstab.device b/fstab.device
old mode 100755
new mode 100644
diff --git a/init.freescale.rc b/init.freescale.rc
old mode 100755
new mode 100644
diff --git a/kernel-fsl.mk b/kernel-fsl.mk
old mode 100755
new mode 100644
diff --git a/sepolicy/domain.te b/sepolicy/domain.te
new file mode 100644
index 0000000..c8d8d53
--- /dev/null
+++ b/sepolicy/domain.te
@@ -0,0 +1 @@
+dontaudit domain kernel:system module_request;
diff --git a/sepolicy/file_contexts b/sepolicy/file_contexts
old mode 100755
new mode 100644
diff --git a/sepolicy/init.te b/sepolicy/init.te
old mode 100755
new mode 100644
diff --git a/sepolicy/mediaserver.te b/sepolicy/mediaserver.te
deleted file mode 100644
index 72acfbb..0000000
--- a/sepolicy/mediaserver.te
+++ /dev/null
@@ -1 +0,0 @@
-allow mediaserver debug_prop:property_service set;
diff --git a/sepolicy/misc.te b/sepolicy/misc.te
old mode 100755
new mode 100644
diff --git a/sepolicy/sensors.te b/sepolicy/sensors.te
old mode 100755
new mode 100644
diff --git a/sepolicy/sensorservice.te b/sepolicy/sensorservice.te
old mode 100755
new mode 100644
diff --git a/sepolicy/update_engine.te b/sepolicy/update_engine.te
old mode 100755
new mode 100644
diff --git a/ueventd.freescale.rc b/ueventd.freescale.rc
old mode 100755
new mode 100644