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

This patch removes typedef for _stIM_sfHostNotify,
changes the name of the struct from
_stIM_sfHostNotify to bcm_stim_sfhostnotify.
In addition, any calls to the following typedef
"stIM_sfHostNotify" are changed to call the
struct directly.

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