spi: dt-bindings: Document LAN969x QSPI

LAN969x has 2 QSPI instances, so document their compatible.

Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Link: https://patch.msgid.link/20260709112006.390742-2-robert.marko@sartura.hr
Signed-off-by: Mark Brown <broonie@kernel.org>
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Robert Marko 2026-07-09 13:19:07 +02:00 • committed by Mark Brown
commit f718ea6cb3
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