Makefile: rename all libraries to built-in.o

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
diff --git a/include/configs/cm-bf537e.h b/include/configs/cm-bf537e.h
index 77f47d9..8f10eba 100644
--- a/include/configs/cm-bf537e.h
+++ b/include/configs/cm-bf537e.h
@@ -112,8 +112,8 @@
  * it linked after the configuration sector.
  */
 # define LDS_BOARD_TEXT \
-	arch/blackfin/lib/libblackfin.o (.text*); \
-	arch/blackfin/cpu/libblackfin.o (.text*); \
+	arch/blackfin/lib/built-in.o (.text*); \
+	arch/blackfin/cpu/built-in.o (.text*); \
 	. = DEFINED(env_offset) ? env_offset : .; \
 	common/env_embedded.o (.text*);
 #endif