Add the AVR-LA series to "AVR…D/E/L…" in GUI device selection

The GUI device selection dialog roughly classifies individual
AVRs, to allow restricting the selection box.  For the new
AVR-LA devices, it makes sense to group them to the AVR-D* and
AVR-E* devices, instead of falling back to "Other".

src/python/adgui.py

@@ -72,7 +72,7 @@ def classify_devices():
         'avr_de': [],
         'other': []
     }
-    avr_de_re = re.compile(r'AVR\d+[DE][A-Z]\d+')
+    avr_de_re = re.compile(r'AVR\d+[DEL][A-Z]\d+')
     part = ad.lfirst(ad.cvar.part_list)
     while part:
         p = ad.ldata_avrpart(part)

src/python/device.ui

@@ -127,7 +127,7 @@
       <item>
        <widget class="QCheckBox" name="avr_de">
         <property name="text">
-         <string>AVR…D/E…</string>
+         <string>AVR…D/E/L…</string>
         </property>
         <property name="checked">
          <bool>true</bool>