spi: airoha: unify dirmap read/write code

Makes dirmap writing looks similar to dirmap reading. Just a minor
refactoring, no behavior change is expected.

Signed-off-by: Mikhail Kshevetskiy <mikhail.kshevetskiy@iopsys.eu>
Link: https://patch.msgid.link/20251012121707.2296160-8-mikhail.kshevetskiy@iopsys.eu
Signed-off-by: Mark Brown <broonie@kernel.org>
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Mikhail Kshevetskiy 2025-10-12 15:16:58 +03:00 • committed by Mark Brown
commit 233a226874
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