package.bbclass: skip already-stripped QA test if asked for
Some packages like grub have already stripped binaries e.g.
ERROR: QA Issue: File '/boot/grub/kernel.img' from grub was already
stripped, this will prevent future debugging!
ERROR: QA run found fatal errors. Please consider fixing them.
We would like to have a possibility to skip it using something like
INSANE_SKIP_${PN} = "already-stripped"
This adds the logic to do so
it acts at PN level and not at package level. so something like
