spi: atmel-quadspi: Drop superfluous set of QSPI_IFR_APBTFRTYP_READ

That bit describes the APB transfer type. We are writing
serial memory registers via AHB acesses, that bit does not
make sense in the current context.
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Link: https://lore.kernel.org/r/20201207135959.154124-3-tudor.ambarus@microchip.comSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/atmel-quadspi.c

@@ -386,9 +386,6 @@ static int atmel_qspi_set_cfg(struct atmel_qspi *aq,
 	(void)atmel_qspi_read(aq, QSPI_SR);
 
 	if (aq->caps->has_ricr) {
-		if (!op->addr.nbytes && op->data.dir == SPI_MEM_DATA_IN)
-			ifr |= QSPI_IFR_APBTFRTYP_READ;
-
 		/* Set QSPI Instruction Frame registers */
 		atmel_qspi_write(iar, aq, QSPI_IAR);
 		if (op->data.dir == SPI_MEM_DATA_IN)