mmc: fix comment typos

Correct spelling typo in drivers/mmc

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index e23f813..32f4a07 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -315,7 +315,7 @@
 		new_val = val & (SDHCI_CTRL_LED | \
 				SDHCI_CTRL_4BITBUS | \
 				SDHCI_CTRL_D3CD);
-		/* ensure the endianess */
+		/* ensure the endianness */
 		new_val |= ESDHC_HOST_CONTROL_LE;
 		/* bits 8&9 are reserved on mx25 */
 		if (!is_imx25_esdhc(imx_data)) {