Revert "Revert "Build RIDL_KIT in build, add auto-start"."

This reverts commit bdc5bb91f9d644436b8c0f2660994038c7c55e0e

Enable building of RIDL_KIT and add auto start.

Change-Id: I03fe7f91242bdb822139b9a6073f6365ab07c656
Merge "Revert "Revert "Build RIDL_KIT in build, add auto-start".""
common: add support to sign boot image

adding rules for generating signed boot image

Change-Id: I53710c2b4b8e8750c29d9c46c51a3e4ff0f270d2
Sign recovery image

LK now requires recovery image to be signed. This
is a new change to ensure that only signed images
are used.

Change-Id: I25fef9c311370e3f26d2d09b577575cd2a16f880
Merge "Sign recovery image"
Merge "common: add support to sign boot image"