Add generic board support for sandbox. and remove the old board init code.
Select CONFIG_SYS_GENERIC_BOARD for sandbox now that this is supported.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@ti.com>
These files are taken from the ARM board implementation and then reduced
to remove unneeded cruft.
Ideally we would work towards unifying arch/xxx/lib files, particularly
board.c.
Signed-off-by: Simon Glass <sjg@chromium.org>
