Staging: bcm: Remove typedef from CmHost.c and use enum.

This patch removes a typedef from a variable definition
in CmHost.c, and uses a enum instead. This Warning
was reported by checkpatch.pl.

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