mmc: use the generic error number

Use the generic error number instead of specific error number.
If use the generic error number, it can debug more easier.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/drivers/mmc/sh_sdhi.c b/drivers/mmc/sh_sdhi.c
index 30e538c..be6aeb1 100644
--- a/drivers/mmc/sh_sdhi.c
+++ b/drivers/mmc/sh_sdhi.c
@@ -232,7 +232,7 @@
 	e_state2 = sh_sdhi_readw(host, SDHI_ERR_STS2);
 	if (e_state2 & ERR_STS2_SYS_ERROR) {
 		if (e_state2 & ERR_STS2_RES_STOP_TIMEOUT)
-			ret = TIMEOUT;
+			ret = -ETIMEDOUT;
 		else
 			ret = -EILSEQ;
 		debug("%s: ERR_STS2 = %04x\n",
@@ -246,7 +246,7 @@
 	if (e_state1 & ERR_STS1_CRC_ERROR || e_state1 & ERR_STS1_CMD_ERROR)
 		ret = -EILSEQ;
 	else
-		ret = TIMEOUT;
+		ret = -ETIMEDOUT;
 
 	debug("%s: ERR_STS1 = %04x\n",
 	      DRIVER_NAME, sh_sdhi_readw(host, SDHI_ERR_STS1));
@@ -566,7 +566,7 @@
 		case MMC_CMD_SELECT_CARD:
 		case SD_CMD_SEND_IF_COND:
 		case MMC_CMD_APP_CMD:
-			ret = TIMEOUT;
+			ret = -ETIMEDOUT;
 			break;
 		default:
 			debug(DRIVER_NAME": Cmd(d'%d) err\n", opc);