Staging: bcm: Fix coding style issues in CmHost.c

This patch cleans up several code style issues found
in CmHost.c reported by checkpatch.pl.  These include:
white space, braces, indents, and comments.
Signed-off-by: NKevin McKinney <klmckinney1@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>