Staging: bcm: Fix of a litte white space error in Bcmchar.c

Fixed a wrong placed whitespace. Found with the checkpatch.pl script.
checkpatch.pl error message:
ERROR: "foo * bar" should be "foo *bar"
+static int bcm_char_open(struct inode *inode, struct file * filp)

Signed-off-by: Severin Gsponer <svgsponer@gmail.com>
Acked-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>