spi: Use mode for rx mode flags

Make rx mode flags as generic to spi, earlier mode_rx is
maintained separately because of some flash specific code.

Cc: Simon Glass <sjg@chromium.org>
Cc: Bin Meng <bmeng.cn@gmail.com>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Cc: Vignesh R <vigneshr@ti.com>
Cc: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: Jagan Teki <jteki@openedev.com>
diff --git a/drivers/spi/cadence_qspi.c b/drivers/spi/cadence_qspi.c
index a5244ff..1d50f13 100644
--- a/drivers/spi/cadence_qspi.c
+++ b/drivers/spi/cadence_qspi.c
@@ -251,7 +251,7 @@
 		break;
 		case CQSPI_INDIRECT_READ:
 			err = cadence_qspi_apb_indirect_read_setup(plat,
-				priv->cmd_len, dm_plat->mode_rx, cmd_buf);
+				priv->cmd_len, dm_plat->mode, cmd_buf);
 			if (!err) {
 				err = cadence_qspi_apb_indirect_read_execute
 				(plat, data_bytes, din);