staging: vt6655: remove useless return statements

Many return statements in void function were present at the end of
functions, with no effect. They now are removed.

This fixes a bunch of checkpatch warnings.

Signed-off-by: Guillaume Clement <gclement@baobob.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
13 files changed