d855: use pad instead of misc for recovery commands

* LG's bootloader writes a wipe_data command to misc if you boot
  using the key combination. Let's stay far away from doing that
  to our users...

Change-Id: Ida5485b62c80e0a9cb20425f303e84f795f24596

rootdir/etc/fstab.g3

@@ -15,6 +15,7 @@
 /dev/block/platform/msm_sdcc.1/by-name/boot         /boot           emmc    defaults                                                            recoveryonly
 /dev/block/platform/msm_sdcc.1/by-name/recovery     /recovery       emmc    defaults                                                            recoveryonly
 /dev/block/platform/msm_sdcc.1/by-name/modem        /firmware       vfat    ro,shortname=lower,uid=1000,gid=1026,dmask=227,fmask=337,context=u:object_r:firmware_file:s0 wait
+/dev/block/platform/msm_sdcc.1/by-name/pad          /misc           emmc    defaults                                                            defaults
 
 /dev/block/platform/msm_sdcc.1/by-name/sns          /sns            ext4    nosuid,nodev,barrier=1,noatime,noauto_da_alloc,errors=continue      wait,notrim
 /dev/block/platform/msm_sdcc.1/by-name/drm          /persist-lg     ext4    nosuid,nodev,barrier=1,noatime,noauto_da_alloc,errors=continue      wait,notrim