spi: microchip-core: Refactor FIFO read and write handlers

Make both handlers to be shorter and easier to understand.
While at it, unify their style.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Prajna Rajendra Kumar <prajna.rajendrakumar@microchip.com>
Link: https://patch.msgid.link/20251127190031.2998705-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Andy Shevchenko 2025-11-27 19:58:59 +01:00 • committed by Mark Brown
commit cb5c2eb459
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