staging: vt6556: Replace printk by dev_warn

This patch fixes a checkpatch warning by replacing printk
by dev_warn. Tested by compilation only.

Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 file changed