Fix kernel-devsrc package failing during install

Fix kernel-devsrc package failing during install

This issue is due to the upstream script hardcodes /bin/awk whereas we ship /usr/bin/awk.
The installation check will break in this case. Fix it by changing the path in the script.

References:
- https://lists.yoctoproject.org/pipermail/meta-intel/2017-January/004519.html
- https://patchwork.openembedded.org/patch/136699/
- http://git.yoctoproject.org/cgit/cgit.cgi/yocto-kernel-cache/commit/?h=yocto-4.9&id=d0e0a36eec57f5dfa02045776c69092c145f5000

Bug-AGL: SPEC-933

Change-Id: I228351663b764378960051463086e32c81b9b3d2
Signed-off-by: Stephane Desneux <stephane.desneux@iot.bzh>
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/11209
Tested-by: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>
ci-image-build: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>
Reviewed-by: Romain Forlot <romain.forlot@iot.bzh>
ci-image-boot-test: Jenkins Job builder account <agl-jobbuilder@automotivelinux.org>
Reviewed-by: Thomas Rini <trini@konsulko.com>
Reviewed-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>