tools/: renamed OpenWRT target from "ben" to "ben_openwrt" and added "ben_jlime"

- tools/Makefile (upload): make destinastion host name ("ben" or "jlime")
  depend on TARGET
- tools/Makefile.common (CC_ben, CFLAGS_ben, LDLIBS_ben, MACROS_ben):
  renamed to *_openwrt and added *_jlime equivalents
- tools/atrf-rssi/Makefile: added settings to use SDL_gfx on Jlime
- tools/lib/Makefile (OBJS_ben): renamed to OBJS_ben_openwrt and added
  OBJS_ben_jlime

tools/Makefile

@@ -1,8 +1,8 @@
 #
 # tools/Makefile - Build the ATRF-specific tools
 #
-# Written 2010 by Werner Almesberger
-# Copyright 2010 Werner Almesberger
+# Written 2010-2011 by Werner Almesberger
+# Copyright 2010-2011 Werner Almesberger
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -14,9 +14,16 @@
 DIRS=atrf-id atrf-reset atrf-rssi atrf-trim atrf-txrx
 TARGET_ONLY_DIRS=lib
 
+ifeq ($(TARGET),ben_jlime)
+HOST = jlime
+else
+HOST = ben
+endif
+
+
 include ../Makefile.recurse
 
 .PHONY:		upload
 
 upload:		
-		scp `for n in $(DIRS); do echo $$n/$$n; done` ben:
+		scp `for n in $(DIRS); do echo $$n/$$n; done` $(HOST):