Added Lisa/L script as a target board.

tcl/board/lisa-l.cfg

@@ -0,0 +1,7 @@
+# the Lost Illusions Serendipitous Autopilot
+# http://paparazzi.enac.fr/wiki/Lisa
+
+# Work-area size (RAM size) = 20kB for STM32F103RB device
+set WORKAREASIZE 0x5000
+
+source [find target/stm32.cfg]