add support for LIS2 displays from VLSystem (http://www.vlsys.co.kr).

Patch provided by Laurent ARNAL <laurent@clae.net>

server/drivers/hd44780-drivers.h

@@ -22,6 +22,7 @@
 #endif
 #include "hd44780-picanlcd.h"
 #include "hd44780-lcdserializer.h"
+#include "hd44780-lis2.h"
 // add new connection type header files here
 
 static const ConnectionMapping connectionMapping[] = {
@@ -37,6 +38,7 @@ static const ConnectionMapping connectionMapping[] = {
 #endif
 	{"picanlcd", hd_init_picanlcd, "\tnone\n"},
 	{"lcdserializer", hd_init_lcdserializer, "\tnone\n"},
+	{"lis2", hd_init_lis2, "\tnone\n"},
 #ifdef HAVE_LIBUSB
 	{"bwctusb", hd_init_bwct_usb, "\tnone\n"},
 #endif