mmc: mtk-sd: fix two spelling mistakes in comment

spelling mistake fix : "alreay" -> "already"
		       "checksume" -> "checksum"
Signed-off-by: Yu Zhe <yuzhe@nfschina.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20221110072819.11530-1-yuzhe@nfschina.comSigned-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/mtk-sd.c

@@ -750,7 +750,7 @@ static inline void msdc_dma_setup(struct msdc_host *host, struct msdc_dma *dma,
 		else
 			bd[j].bd_info &= ~BDMA_DESC_EOL;
 
-		/* checksume need to clear first */
+		/* checksum need to clear first */
 		bd[j].bd_info &= ~BDMA_DESC_CHECKSUM;
 		bd[j].bd_info |= msdc_dma_calcs((u8 *)(&bd[j]), 16) << 8;
 	}
@@ -1229,7 +1229,7 @@ static bool msdc_cmd_done(struct msdc_host *host, int events,
 		     !host->hs400_tuning))
 			/*
 			 * should not clear fifo/interrupt as the tune data
-			 * may have alreay come when cmd19/cmd21 gets response
+			 * may have already come when cmd19/cmd21 gets response
 			 * CRC error.
 			 */
 			msdc_reset_hw(host);