contrib: add some udev rules to let normal users access the devices

Make any user in the "plugdev" group be able to use an am7xxx device,
not just the root user like it is now.

diff --git a/contrib/55-am7xxx.rules b/contrib/55-am7xxx.rules
new file mode 100644 (file)
index 0000000..1c9d02d
--- /dev/null
+++ b/contrib/55-am7xxx.rules
@@ -0,0 +1,2 @@
+# Acer C110
+ACTION=="add", SUBSYSTEM=="usb", ATTRS{idVendor}=="1de1", ATTRS{idProduct}=="c101", MODE="0660", GROUP="plugdev"