[PATCH 1/2] mtd: spi-nor: introduce SNOR_ID3()

[Tom Fitzhenry]

In "Add support for the siliconkaiser sk25lp128 chip."[0], I have tested
that this patch works on the sk25lp128.

Thanks!

Tested-by: Tom Fitzhenry <tom at tom-fitzhenry.me.uk>

0. https://lore.kernel.org/all/20220603141603.145777-1-tom@tom-fitzhenry.me.uk/