Staging: i2o: Use preferred library linux/uaccess.h over asm/uaccess.h

This patch fixes checkpatch.pl warning "Use #include
<linux/uaccess.h> instead of <asm/uaccess.h>" in i2o/config-osm.c .

Signed-off-by: Vatika Harlalka <vatikaharlalka@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>