[ros-kernel] Makefile changes

[Thomas Weidenmueller]

Eric Kohl wrote:

> I am only complainig that someone make changes to way our makefiles work
>
>without discussing and announcing if first! 
>
you're right, i should have asked/announced first. Sorry. If you really 
can't stand these changes (even though they allow you to build all, a 
single or a group of drivers), i'll revert them.

Regards
Thomas