Staging: bcm: Remove typedef for _S_BCM_DEBUG_STATE and call directly.

This patch removes typedef for _S_BCM_DEBUG_STATE, and
changes the name of the struct to bcm_debug_state. In
addition, any calls to struct "S_BCM_DEBUG_STATE" are
changed to call directly.

Signed-off-by: Kevin McKinney <klmckinney1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>