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/actux1/u-boot.lds b/board/actux1/u-boot.lds
index 1087167..40b5ef3 100644
--- a/board/actux1/u-boot.lds
+++ b/board/actux1/u-boot.lds
@@ -31,8 +31,8 @@
 	. = ALIGN (4);
 	.text : {
 		cpu/ixp/start.o(.text)
-		lib_generic/string.o(.text)
-		lib_generic/vsprintf.o(.text)
+		lib/string.o(.text)
+		lib/vsprintf.o(.text)
 		arch/arm/lib/board.o(.text)
 		common/dlmalloc.o(.text)
 		cpu/ixp/cpu.o(.text)