[Add kernel_in_ubi feature to separate image format]

[Description]
Add kernel_in_ubi feature to separate image format
1. kernel_in_ubi will decide partition layout and enable overlayfs
on/off

[Release-log]

6 files changed
tree: 1f95f0fdda38508f48d24aed4e302aa4e1695009
  1. classes/
  2. conf/
  3. recipes-connectivity/
  4. recipes-devtools/
  5. recipes-kernel/