resources: Add some details to boot-exit readme

This change adds some info about possible packer errors and how to solve
them. Additionally, it fixes a typo in a filename in the description of
this directory.

Change-Id: Ifc7d68efd2a0b97dfe7cafcc57bca203254ab6a9
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5-resources/+/32334
Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu>
Reviewed-by: Hoa Nguyen <hoanguyen@ucdavis.edu>
Maintainer: Bobby R. Bruce <bbruce@ucdavis.edu>
Tested-by: Bobby R. Bruce <bbruce@ucdavis.edu>
1 file changed
tree: e46484799b91dd3f5ce4dd382016762dfd60cd67
  1. .gitignore
  2. README.md
  3. src/