exfat: add hash

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/exfat/exfat.hash

@@ -0,0 +1,2 @@
+# From https://code.google.com/p/exfat/wiki/Downloads?tm=2
+sha1	060560f74dbce4dc947c7e658e75fdf339bc10ff	fuse-exfat-1.1.0.tar.gz