Fix udev rules (#238)

Added missing comma after TAG+ argument.

Author: jupeos

udev/60-picotool.rules

@@ -4,24 +4,24 @@
 SUBSYSTEM=="usb", \
     ATTRS{idVendor}=="2e8a", \
     ATTRS{idProduct}=="0003", \
-    TAG+="uaccess" \
+    TAG+="uaccess", \
     MODE="660", \
     GROUP="plugdev"
 SUBSYSTEM=="usb", \
     ATTRS{idVendor}=="2e8a", \
     ATTRS{idProduct}=="0009", \
-    TAG+="uaccess" \
+    TAG+="uaccess", \
     MODE="660", \
     GROUP="plugdev"
 SUBSYSTEM=="usb", \
     ATTRS{idVendor}=="2e8a", \
     ATTRS{idProduct}=="000a", \
-    TAG+="uaccess" \
+    TAG+="uaccess", \
     MODE="660", \
     GROUP="plugdev"
 SUBSYSTEM=="usb", \
     ATTRS{idVendor}=="2e8a", \
     ATTRS{idProduct}=="000f", \
-    TAG+="uaccess" \
+    TAG+="uaccess", \
     MODE="660", \
     GROUP="plugdev"