mmc: revert mmc: Handle switch error status bit in MMC card status

revert patch:
commit: 6b2221b008e0: mmc: Handle switch error status bit in MMC card status

to get eMMC working on shc board

Signed-off-by: Heiko Schocher <hs@denx.de>

drivers/mmc/mmc.c

@@ -155,8 +155,6 @@ int mmc_send_status(struct mmc *mmc, int timeout)
 #endif
 		return TIMEOUT;
 	}
-	if (cmd.response[0] & MMC_STATUS_SWITCH_ERROR)
-		return SWITCH_ERR;
 
 	return 0;
 }
@@ -516,7 +514,7 @@ static int mmc_change_freq(struct mmc *mmc)
 	err = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING, 1);
 
 	if (err)
-		return err == SWITCH_ERR ? 0 : err;
+		return err;
 
 	/* Now check to see that it worked */
 	err = mmc_send_ext_csd(mmc, ext_csd);