Blackfin: bf537-stamp: split post code out into dedicated post.c

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/board/bf537-stamp/Makefile b/board/bf537-stamp/Makefile
index 199093b..3b875a3 100644
--- a/board/bf537-stamp/Makefile
+++ b/board/bf537-stamp/Makefile
@@ -32,7 +32,7 @@
 COBJS-y	:= $(BOARD).o cmd_bf537led.o
 COBJS-$(CONFIG_CMD_EEPROM) += spi_flash.o
 COBJS-$(CONFIG_CMD_NAND)   += nand.o
-COBJS-$(CONFIG_POST)       += post-memory.o
+COBJS-$(CONFIG_POST)       += post.o post-memory.o
 
 SRCS	:= $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS-y))