Introduce generic pre-relocation board_f.c

This file handles common pre-relocation init for boards which use
the generic framework.

It starts up the console, DRAM, performs relocation and then jumps
to post-relocation init.

Signed-off-by: Simon Glass <sjg@chromium.org>
Tested-by: Wolfgang Denk <wd@denx.de>
Acked-by: Wolfgang Denk <wd@denx.de>
diff --git a/common/Makefile b/common/Makefile
index 719fc23..a5f5b1a 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -36,6 +36,9 @@
 COBJS-y += xyzModem.o
 COBJS-y += cmd_disk.o
 
+# boards
+COBJS-$(CONFIG_SYS_GENERIC_BOARD) += board_f.o
+
 # core command
 COBJS-y += cmd_boot.o
 COBJS-$(CONFIG_CMD_BOOTM) += cmd_bootm.o