sepolicy: fsck: allow accessing sysfs_power

Let fsck check the battery levels.

Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
diff --git a/sepolicy/fsck.te b/sepolicy/fsck.te
new file mode 100644
index 0000000..8bd61e7
--- /dev/null
+++ b/sepolicy/fsck.te
@@ -0,0 +1 @@
+allow fsck sysfs_power:dir search;