setup-apkrepos: fix accepting options
setup-alpine: fix typo in answerfile variable

This allows user to do things like:
export SSH_KEY=https://github.com/ncopa.keys

backport fix that will verify the password

- fix kernel option with cryptroot
- fallback to u-boot bootloader for armv7

ref alpine-conf#10489

fixes #10850

fixes #12285

Daniel Néri authored 4 years ago and Natanael Copa committed 4 years ago

Upstream bug: alpine-conf#10455.

rex regression in lbu that was introduced with commit commit
7ebf92cd (main/alpine-conf: fix lbu exit codes on error)

ref alpine-conf!4

upstream bug: alpine-conf#10451