Add support for ID_BUTTON gpio in all systems

There is a gpio that supports turning a LED in to an identify LED.
Changes where made to Barreleye to support it.  This commit adds
the support to the other systems
diff --git a/bin/Firestone.py b/bin/Firestone.py
index 2cadf40..4767178 100755
--- a/bin/Firestone.py
+++ b/bin/Firestone.py
@@ -466,7 +466,8 @@
         {'gpio_pin': 'N3', 'direction': 'out'}
 GPIO_CONFIG['CP1_DEVICES_RESET_N'] = \
         {'gpio_pin': 'N5', 'direction': 'out'}
-
+GPIO_CONFIG['IDBTN']       = \
+        { 'gpio_pin': 'Q7', 'direction': 'out' }
 GPIO_CONFIG['FSI_DATA'] = \
         {'gpio_pin': 'A5', 'direction': 'out'}
 GPIO_CONFIG['FSI_CLK'] = \