jf: add magic samsung kernel cmdline

* from GPE ML4
* left out maxcpus=2 (caused boot crashes)

Change-Id: I7679264de7185440c71f9588766c3d25b9d6db6c
jf-common: bye /persdata

Change-Id: Id2a7ace59cf3e37f42f18f450d32e2242eb69d54
Revert "remove qrngd"

This reverts commit c11808950ef6443c4341d9ec76b827a07e506e76.
jf-common: fix mkdir /efs

Change-Id: Ieeceb26756ee37080eb767a771d6e1741ffb10a5
jf-common: dont run init.qcom.ril.sh

jf's dont have multisim; samsung gets rid of this in kk roms

Change-Id: I4cb24bb6abc7a2c5e785f8d31d620be2ad11638b
jf-common: remove usf* services that dont exist

Change-Id: I72f7369e3b0147cbf8e54f88e86b5a5270ec92db
jf-common: this was a dumb way to run restorecon

do it right after mount, like we do every other partition

Change-Id: I7b7b46c18c350ff52ef89ff1cd000a4d107359c7
jf-common: fix mount debugfs syntax

Change-Id: Ic66b3346e483794e9c35a4ebc2c3c1290ca81300