remove unneeded touch_dev.idc

Change-Id: I7c611f86c06bde1bd4d2fc84619e70a1357d6fb7
use stock snd_soc_msm_*
remove unneeded kickstart_checker
remove unneeded factory-images generator
change bluetooth name to "Xiaomi MI-2"
Revert "Add inlined kernel build, stop using the prebuilt"

This reverts commit 81bc5e9d3258db3beb367ae7e57efe20dfebba71.
use aries's prebuilt kernel
use aries's cmdline