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/etx094/u-boot.lds.debug b/board/etx094/u-boot.lds.debug
index dd4dbfa..12f6ce7 100644
--- a/board/etx094/u-boot.lds.debug
+++ b/board/etx094/u-boot.lds.debug
@@ -64,8 +64,8 @@
     cpu/mpc8xx/serial.o	(.text)
     arch/ppc/lib/extable.o	(.text)
     arch/ppc/lib/ppcstring.o	(.text)
-    lib_generic/string.o	(.text)
-    lib_generic/crc32.o		(.text)
+    lib/string.o	(.text)
+    lib/crc32.o		(.text)
     common/dlmalloc.o	(.text)
     . = env_offset;
     common/env_embedded.o(.text)