linux-kexecboot: inherit nopackages to avoid packaging
linux-kexecboot: inherit nopackages to avoid packaging

Disable the creation of packages in a more robust (and elegant) way
inheriting nopackages.bbclass.

Signed-off-by: Andrea Adami <58a22b0beb8ec13ae546a060c8b4c576f22f6153@gmail.com>

bluelightning/meta-handheld,bluelightning/meta-handheld