msm8953 & msm8996 : Append "rootfstype=" and "root=" to kernel command line

This change is to get the system partition index and append it to kernel
command line instead of hardcoding the value in .conf files
used during the LE build process

Change-Id: I1b9e7744e0b95246e45911682cbb5c3ff61e9dab
5 files changed