Staging: bcm: Removed unreachable code line in Bcmchar.c

This patch removes unreachable code line and
unnecessary braces in Bcmchar.c

Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Acked-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>