Rename lib_generic/ to lib/

Now that the other architecture-specific lib directories have been
moved out of the top-level directory there's not much reason to have the
'_generic' suffix on the common lib directory.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
diff --git a/board/trab/Makefile b/board/trab/Makefile
index 27d75f3..0b13dc4 100644
--- a/board/trab/Makefile
+++ b/board/trab/Makefile
@@ -48,7 +48,7 @@
 $(obj)trab_fkt.srec:	$(OBJS_FKT) $(LIB)
 	$(LD) -g -Ttext $(LOAD_ADDR) -o $(<:.o=) -e trab_fkt $^ $(LIB) \
 		-L$(obj)../../examples/standalone -lstubs \
-		-L$(obj)../../lib_generic -lgeneric \
+		-L$(obj)../../lib -lgeneric \
 		$(PLATFORM_LIBS)
 	$(OBJCOPY) -O srec $(<:.o=) $@