[PATCH v7 2/3] dm: core: fix dev_read_alias_highest_id() without libfdt

[sjg at google.com]

On Mon, 1 Jun 2020 at 17:47, Michael Walle <michael at walle.cc> wrote:
>
> If CONFIG_DM_DEV_READ_INLINE is set, dev_read_alias_highest_id() calls
> libfdt_get_highest_id(). But this function is only available if we have
> libfdt compiled in. If its not available return -1, which matches the
> return code for no alias found.
>
> This fixes the following error on omapl138_lcdk:
> arm-linux-gnueabi-ld.bfd: drivers/built-in.o: in function `dev_read_alias_highest_id':
> /home/mw/repo/u-boot/include/dm/read.h:986: undefined reference to `fdtdec_get_alias_highest_id'
>
> Signed-off-by: Michael Walle <michael at walle.cc>
> ---
>  include/dm/read.h | 2 ++
>  1 file changed, 2 insertions(+)

Reviewed-by: Simon Glass <sjg at chromium.org>

Applied to u-boot-dm, thanks!