Latest development
- scripts/mkimg.standard.sh: include grub-bios on extended image
- main/alpine-conf: backport grub fix for setup-disk
- main/grub: generate grub.cfg from trigger
- main/grub: misc alpine fixes for /etc/grub.d/10_linux
- main/irssi: security upgrade to 1.1.2 (CVE-2019-5882)
- community/rng-tools: downgrade to 6.3.1 since does not build on ppc64le
- community/rng-tools$: upgrade to 6.6
- testing/netbox: tidy up depends
- testing/netbox: adjust depends
- testing/mame: disable for ppc64le