Staging: dream: smd: smd_private: fix code style issues

This put open braces '{' following structs on the same line.

Signed-off-by: Chihau Chau <chihau@gmail.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>