[PATCH 2/3] fit: Use hash.c to call SHA code

[Tom Rini]

On Wed, Feb 17, 2021 at 01:50:41PM +1030, Joel Stanley wrote:

> Currently the FIT hashing will call directly into the SHA algorithms to
> get a hash.
> 
> This moves the fit code to use hash_lookup_algo, giving a common
> entrypoint into the hashing code and removing the duplicated algorithm
> look up. It also allows the use of hardware acceleration if configured.
> 
> Signed-off-by: Joel Stanley <joel at jms.id.au>

This breaks a few boards:
ls1046ardb_qspi_spl imx8mm_beacon imx8mn_beacon imx8mn_beacon_2g
imx8mm_evk imx8mn_ddr4_evk imx8mn_evk imx8mp_evk imx8mq_evk
imx8mm_venice imx8mq_phanbell phycore-imx8mm phycore-imx8mp pico-imx8mq
verdin-imx8mm mt8183_pumpkin mt8516_pumpkin
that use FIT images, in SPL, but don't actually check hashes apparently.
Just including hash.o for the hash-lookup function fails because we
don't have crc16, etc, enabled and also I think need:
https://patchwork.ozlabs.org/project/uboot/patch/20210322133331.1646575-1-mr.nuke.me@gmail.com/
for consistent symbol naming.

So, I like this patch in concept, but I think it'll need to be reworked
a bit, after I pull in some other changes soon.  Thanks!

-- 
Tom
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