bb: be more specific in module dependency message
bb: be more specific in module dependency message

before:

2021/12/29 21:31:25 Conflicting module dependencies on github.com/u-root/u-root:
2021/12/29 21:31:25   module github.com/u-root/cpu depends on it @ version v0.8.0
2021/12/29 21:31:25   your request to compile github.com/u-root/u-root/cmds/core/ip depends on it @ directory /usr/local/google/home/chrisko/go/src/github.com/u-root/u-root

2021/12/29 21:31:25 Suggestion to resolve: add `replace github.com/u-root/u-root => ../go/src/github.com/u-root/u-root` to /usr/local/google/home/chrisko/cpu/go.mod

after:

2021/12/29 21:31:25 Conflicting module dependencies on github.com/u-root/u-root:
2021/12/29 21:31:25   module github.com/u-root/cpu depends on github.com/u-root/u-root @ version v0.8.0
2021/12/29 21:31:25   your request to compile github.com/u-root/u-root/cmds/core/ip depends on github.com/u-root/u-root @ directory /usr/local/google/home/chrisko/go/src/github.com/u-root/u-root

2021/12/29 21:31:25 Suggestion to resolve: add `replace github.com/u-root/u-root => ../go/src/github.com/u-root/u-root` to /usr/local/google/home/chrisko/cpu/go.mod

Signed-off-by: Chris Koch <cd2178739c1fb8f241acc6c7bd5abe02c150d7e5@google.com>

u-root/gobusybox,u-root/gobusybox