[OE-core] [PATCH v2] kernel-devsrc: restructure for out of tree (and on target) module builds

[Maxin B. John]

>Also fails on musl:
>
>ERROR: Nothing RPROVIDES 'glibc-utils' (but /home/pokybuild/yocto-autobuilder/yocto-worker/nightly-musl/build/meta/recipes-kernel/linux/kernel-devsrc.bb RDEPENDS on or otherwise requires it)
>
>Ross
>
>On 1 March 2018 at 08:28, Maxin B. John <maxin.john at intel.com> wrote:

 >On Wed, Feb 28, 2018 at 02:20:45PM -0500, Bruce Ashfield wrote:
 >> The existing kernel-devsrc package starts with a full copy of the kernel
 >> source and then starts to strip out elements that are not required.
 >>
 >> This results in extra time (I/O) and extra space being taken up in the
 >> final package. The main purpose of the kernel-devsrc package has been to
 >> build modules against the running kernel, not to include a full copy of
 >> the source code for re-building the kernel. The end result was a
 >> 600M kernel-devsrc package.

 Other failures are listed below:
 
 arm64:
 https://autobuilder.yocto.io/builders/nightly-arm64/builds/790/steps/Running%20Sanity%20Tests/logs/stdio

 RESULTS - kernelmodule.KernelModuleTest.test_kernel_module - Testcase 1541: FAILED

HOSTCC  scripts/sortextable
 scripts/sortextable.c:31:10: fatal error: tools/be_byteshift.h: No such file or directory
#include <tools/be_byteshift.h>
  ^~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
make[1]: *** [scripts/Makefile.host:102: scripts/sortextable] Error 1
make: *** [Makefile:557: scripts] Error 2
----------------------------------------------------------------------

Similar on qemuarm - poky-lsb :

https://autobuilder.yocto.io/builders/nightly-arm-lsb/builds/812/steps/Running%20Sanity%20Tests/logs/stdio

HOSTCC  scripts/recordmcount
HOSTCC  scripts/sortextable
scripts/sortextable.c:31:10: fatal error: tools/be_byteshift.h: No such file or directory
    #include <tools/be_byteshift.h>
              ^~~~~~~~~~~~~~~~~~~~~~
              compilation terminated.
              make[1]: *** [scripts/Makefile.host:102: scripts/sortextable] Error 1
              make: *** [Makefile:557: scripts] Error 2
-------------------------------------------------------------------------

Also on PowerPC:

https://autobuilder.yocto.io/builders/nightly-ppc-lsb/builds/814/steps/Running%20Sanity%20Tests/logs/stdio

scripts/sortextable.c:31:10: fatal error: tools/be_byteshift.h: No such file or directory
 #include <tools/be_byteshift.h>
           ^~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
make[1]: *** [scripts/Makefile.host:102: scripts/sortextable] Error 1
make: *** [Makefile:557: scripts] Error 2

Best Regards,
Maxin