spi: spi-fsl-dspi: delete EOQ transfer mode

After the only user of the limited EOQ mode has now been converted to
DMA as of commit b09058bbf5f0 ("spi: spi-fsl-dspi: set ColdFire to DMA
mode"), we can finally delete this code.

Signed-off-by: Vladimir Oltean <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
1 file changed