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

[Tom Rini <trini@konsulko.com>]

On Sat, Sep 23, 2017 at 09:07:02PM -0500, Robert Nelson wrote:
> On Sat, Sep 23, 2017 at 8:49 PM, Bin Meng <bmeng.cn@gmail.com> wrote:
> > Hi Tom,
> >
> > On Sun, Sep 24, 2017 at 12:10 AM, Tom Rini <trini@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@chromium.org>
> >>> >>>> Reported-by: Stephen Warren <swarren@wwwdotorg.org>
> >>> >>>> Signed-off-by: Tom Rini <trini@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.
> 
> Maybe it's just time to embed a copy of dtc into u-boot (like the
> kernel, especially since we use so many features...)?

That is my intention at this point, and I'm testing a small series to do
that now (the last pain point looks to have been the patch that allows
'DTC' to be over-ridden for FreeBSD).

-- 
Tom
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