linux_kexecboot_3.2: upgrade from 3.2.8 to 3.2.9

* apply latest patchset
* bump PR
* catch up and sync with linux-yocto (wip)

Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>