soc: swr-mstr-ctrl: remove FIFO_Flush for overflow

FIFO_Flush should only be for SWRM_INTERRUPT_STATUS_CMD_ERROR.
For other usecase, it should not be flushed otherwise it would
cause register write mismatch and cause some sideeffect.

Change-Id: I6d40a30129dfdf48993125fb57042ab97a13a631
Signed-off-by: Meng Wang <quic_mengw@quicinc.com>

soc/swr-mstr-ctrl.c

@@ -929,7 +929,6 @@ retry_read:
 			/* wait 500 us before retry on fifo read failure */
 			usleep_range(500, 505);
 			if (retry_attempt == (MAX_FIFO_RD_FAIL_RETRY - 1)) {
-				swr_master_write(swrm, SWRM_CMD_FIFO_CMD, 0x1);
 				swr_master_write(swrm,
 					SWRM_CMD_FIFO_RD_CMD(swrm->ee_val),
 					val);
@@ -2204,7 +2203,6 @@ handle_irq:
 			dev_err(swrm->dev,
 				"%s: SWR write FIFO overflow fifo status %x\n",
 				__func__, value);
-			swr_master_write(swrm, SWRM_CMD_FIFO_CMD, 0x1);
 			break;
 		case SWRM_INTERRUPT_STATUS_CMD_ERROR:
 			value = swr_master_read(swrm, SWRM_CMD_FIFO_STATUS(swrm->ee_val));