util/docker: Update coreboot-sdk dockerfile

- Fix typo in comment
- Aphabetize package list and put each package on a single line
- Add environment variables into coreboot user's .bashrc file
- Add openssl, qemu, and shellcheck to installed packages

Change-Id: I37771be5d3ecaa61d76d99e689b422144a6d7dc6
Signed-off-by: Martin Roth <gaumless@gmail.com>
Reviewed-on: https://review.coreboot.org/21582
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Chris Ching <chingcodes@chromium.org>
1 file changed