Makefile: rename all libraries to built-in.o

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
diff --git a/include/configs/dnp5370.h b/include/configs/dnp5370.h
index f2f4102..d0e72e3 100644
--- a/include/configs/dnp5370.h
+++ b/include/configs/dnp5370.h
@@ -85,8 +85,8 @@
 
 #define ENV_IS_EMBEDDED
 #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*);