Make /dev/adis16505 actually accessible on rockpi

For some reason, the udev rule wasn't applying.  Try again, this time
tested multiple times...

Change-Id: I0cf6e98b5f5c51fe9c51a696808c9d8f6df2599e
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/frc971/rockpi/contents/etc/udev/rules.d/99-adis16505.rules b/frc971/rockpi/contents/etc/udev/rules.d/99-adis16505.rules
index 02f591e..25145d2 100644
--- a/frc971/rockpi/contents/etc/udev/rules.d/99-adis16505.rules
+++ b/frc971/rockpi/contents/etc/udev/rules.d/99-adis16505.rules
@@ -1 +1 @@
-ACTION=="add",KERNEL=="adis16505",MODE="0666"
+SUBSYSTEM=="adis16505_class", MODE="0666", GROUP="dialout"