class/kernel-modules: Adapt to new kernel src staging and current kbuild
class/kernel-modules: Adapt to new kernel src staging and current kbuild

Adapt to structure of linux-dev packaging and adapt make variables to
current kbuild (KERNELDIR).

Also, set V=1 to make it easier to debug kernel module builds by default.

sknsean/core,diorcety/oe-lite-core,hundeboll/core,hundeboll/core,sknsean/core,hundeboll/core,hundeboll/core,sknsean/core,diorcety/oe-lite-core,sknsean/core,sknsean/core