[U-Boot] Makefile: Update minimum dtc version to 1.4.3

[Bin Meng]

Hi Tom,

On Sun, Sep 24, 2017 at 12:10 AM, Tom Rini <trini at konsulko.com> wrote:
> On Sat, Sep 23, 2017 at 03:04:39PM +0200, Marek Vasut wrote:
>> On 09/23/2017 02:56 PM, Tom Rini wrote:
>> > On Sat, Sep 23, 2017 at 12:39:44PM +0200, Marek Vasut wrote:
>> >> On 09/22/2017 04:20 PM, Tom Rini wrote:
>> >>> On Fri, Sep 15, 2017 at 01:15:25PM -0400, Tom Rini wrote:
>> >>>
>> >>>> With support for overlays and calling the -@ flag to dtc we need to have
>> >>>> at least 1.4.3 available now.
>> >>>>
>> >>>> Cc: Simon Glass <sjg at chromium.org>
>> >>>> Reported-by: Stephen Warren <swarren at wwwdotorg.org>
>> >>>> Signed-off-by: Tom Rini <trini at konsulko.com>
>> >>>
>> >>> Applied to u-boot/master, thanks!
>> >>
>> >> Debian still only has 1.4.2 even in unstable, so u-boot/master no longer
>> >> builds on any debian system.
>> >
>> > Then perhaps we need to mirror the kernel and provide / build dtc, but
>> > allow for people to override it.
>>
>> What about allowing old DTC version if DTOs are not in use ?
>
> If you can re-work the logic for that, sure, thanks!
>

Ubuntu 16.04 LTS is still at dtc v1.4.0, so it's broken there too.

Regards,
Bin