staging: bcm: fix sparse warning in module_param

This patch fixes sparse warning in module_param
warning: pointer targets in return differ in signedness [-Wpointer-sign]

Signed-off-by: Rahul Bedarkar <rahulbedarkar89@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 file changed