avrdude_gpio.conf.patch

--- avrdude_gpio.conf.original	2017-02-11 19:40:29.140126107 +0100
+++ avrdude_gpio.conf	2017-02-11 19:40:11.550125761 +0100
@@ -14566,3 +14566,14 @@
         size            = 3;
     ;
 ;
+
+
+programmer
+  id    = "pi_1";
+  desc  = "Use the Linux sysfs interface to bitbang GPIO lines";
+  type  = "linuxgpio";
+  reset = 12;
+  sck   = 24;
+  mosi  = 23;
+  miso  = 18;
+;