kexecboot.inc: merge back in the main recipe

and process with oe-stylize.py

Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
kexecboot_cfg: process with oe-stylize.py

Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
kexecboot: update to v0.6 and restylize

Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
kexecboot_0.6: fix LIC_FILES_CHKSUM for kexecboot-klibc

Signed-off-by: Andrea Adami <andrea.adami@gmail.com>