jewel: Create firmware symlinks at build time

Change-Id: Ib6deca8b04030a4fdb354a2a9b5c61d3787bc7a2
jewel: update build fingerprint/description for 4.13.651.4

Change-Id: Ie11df6535de92aea7004785c48f8d334e297fa4c
jewel: remove remount.qcom fstab from makefile

* Fixes building of eng recoveries

Change-Id: I389e6c0ee05a28a4f3f8fee83ec4e938f9bea7c2
Merge remote-tracking branch 'upstream/cm-11.0' into cm-11.0