Add ordering info and fix a few board bugs

Change-Id: Ia7c01ab70ba45d6fb714716db837777a77f39878
diff --git a/motors/big_schematic/check_refdes.rb b/motors/big_schematic/check_refdes.rb
index 1770e9d..eeb6ac2 100755
--- a/motors/big_schematic/check_refdes.rb
+++ b/motors/big_schematic/check_refdes.rb
@@ -15,28 +15,28 @@
   file = GschemSchematic.new(filename)
 
   file.components.each do |component|
-  	refdes = component.refdes
-	slot = component[:slot]
-	if !refdes
-	  if !component.is_power
-	  	puts "Warning: #{component.inspect} does not have a refdes."
-	  end
-	elsif !seen.has_key? refdes
-	  seen[refdes] = [[filename, slot]]
-	else
-	  if seen[refdes][0][1] == nil && slot == nil
-	  	puts "Error: duplicate unslotted component #{refdes} in #{seen[refdes].collect { |a| a[0] }.inspect}."
-	  elsif (seen[refdes][0][1] == nil) != (slot == nil)
-	  	puts "Error: slotted and unslotted component #{refdes} at #{seen[refdes].collect { |a| "#{a[1] || 'none'} in #{a[0]}" }.inspect}."
+    refdes = component.refdes
+    slot = component[:slot]
+    if !refdes
+      if !component.is_power
+        puts "Warning: #{component.inspect} does not have a refdes."
+      end
+    elsif !seen.has_key? refdes
+      seen[refdes] = [[filename, slot]]
+    else
+      if seen[refdes][0][1] == nil && slot == nil
+        puts "Error: duplicate unslotted component #{refdes} in #{seen[refdes].collect { |a| a[0] }.inspect}."
+      elsif (seen[refdes][0][1] == nil) != (slot == nil)
+        puts "Error: slotted and unslotted component #{refdes} at #{seen[refdes].collect { |a| "#{a[1] || 'none'} in #{a[0]}" }.inspect}."
       else
         seen[refdes].each do |_, s|
           if s == slot
-	  	    puts "Error: duplicate slotted component #{refdes}:#{slot} in #{seen[refdes].collect { |a| a[0] if a[1] == slot }.compact.inspect}."
+            puts "Error: duplicate slotted component #{refdes}:#{slot} in #{seen[refdes].collect { |a| a[0] if a[1] == slot }.compact.inspect}."
             break
           end
         end
       end
       seen[refdes].push [filename, slot]
-	end
+    end
   end
 end