usbutils: add hash file

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/usbutils/usbutils.hash

@@ -0,0 +1,2 @@
+# From https://www.kernel.org/pub/linux/utils/usb/usbutils/sha256sums.asc
+sha256	7593a01724bbc0fd9fe48e62bc721ceb61c76654f1d7b231b3c65f6dfbbaefa4	usbutils-007.tar.xz