spi: spi-pxa2xx: remove legacy PXA DMA bits
Generic DMA support was already implemented by commit cd7bed00 ("spi/pxa2xx: break out the private DMA API usage into a separate file") which moved all the legacy PXA DMA implementation code into its own file. With generic DMA available for PXA, we can now just trash this file. Signed-off-by: Daniel Mack <zonque@gmail.com> Acked-by: Mark Brown <broonie@linaro.org> [respin after pxa dmaengine support upstream] Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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