Revert "db845c: Add support for cache partition" am: 04e4b2fb76 am: a6378b86cf

Original change: https://android-review.googlesource.com/c/device/linaro/dragonboard/+/1550664

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I1df287db1d368654dbfd40c0c580e536834f959c