spi: meson-spicc: adapt burst handling for G12A support

The G12A SPICC controller variant has a different FIFO size and doesn't
handle the RX Half interrupt the same way as GXL & AXG variants.

Thus simplify the burst management and take in account a variable FIFO
size.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://lore.kernel.org/r/20200312133131.26430-8-narmstrong@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Neil Armstrong 2020-03-12 14:31:29 +01:00 • committed by Mark Brown
commit 0eb707ac7d
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