findmissing: Unify command shell scripts

All command shell scripts can use the same code, using the command name
to distinguish the underlying python script. Use a single script and
symlink actual commands to it.

BUG=None
TEST=Run commands

Change-Id: I2d77fdfffd17042ab0aa7ae5fdaa7050eebcbd6d
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/2252419
Reviewed-by: Curtis Malainey <cujomalainey@chromium.org>
Commit-Queue: Guenter Roeck <groeck@chromium.org>
Tested-by: Guenter Roeck <groeck@chromium.org>
4 files changed