universal7904: sepolicy: Allow fsck to write cpefs_block_device

* Previously, it was labeled as efs_block_device

`avc: denied { read } for comm="e2fsck" name="mmcblk0p4" dev="tmpfs" ino=3827 scontext=u:r:fsck:s0 tcontext=u:object_r:cpefs_block_device:s0 tclass=blk_file permissive=0`
`e2fsck: /system/bin/e2fsck: Permission denied while trying to open /dev/block/platform/13500000.dwmmc0/by-name/CPEFS`

Change-Id: I81e9176fcd62152b43d01d40daf4ef714e2ac02b
Signed-off-by: SamarV-121 <samarvispute121@pm.me>
diff --git a/sepolicy/vendor/fsck.te b/sepolicy/vendor/fsck.te
index db70868..e31506a 100644
--- a/sepolicy/vendor/fsck.te
+++ b/sepolicy/vendor/fsck.te
@@ -2,3 +2,4 @@
 allow fsck sysfs_battery:dir search;
 allow fsck tmpfs:blk_file getattr;
 allow fsck efs_block_device:blk_file rw_file_perms;
+allow fsck cpefs_block_device:blk_file rw_file_perms;