[U-Boot] [PATCH] spl: use different BOARD_INIT MACRO for spl and tpl

[Dr. Philipp Tomsich]

> On 20 Jan 2018, at 11:00, Kever Yang <kever.yang at rock-chips.com> wrote:
> 
> SPL and TPL may not always need spl_board_init() at the same time.
> 
> Signed-off-by: Kever Yang <kever.yang at rock-chips.com>

Reviewed-by: Philipp Tomsich <philipp.tomsich at theobroma-systems.com>