mmc: sh_mmcif: Use "kHz" for kilohertz

"K" stands for "kelvin".

While at it, make the spacing before units consistent.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20200618080321.16678-1-geert+renesas@glider.beReviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/sh_mmcif.c

@@ -191,9 +191,9 @@
 				 STS2_AC12BSYTO | STS2_RSPBSYTO |	\
 				 STS2_AC12RSPTO | STS2_RSPTO)
 
-#define CLKDEV_EMMC_DATA	52000000 /* 52MHz */
-#define CLKDEV_MMC_DATA		20000000 /* 20MHz */
-#define CLKDEV_INIT		400000   /* 400 KHz */
+#define CLKDEV_EMMC_DATA	52000000 /* 52 MHz */
+#define CLKDEV_MMC_DATA		20000000 /* 20 MHz */
+#define CLKDEV_INIT		400000   /* 400 kHz */
 
 enum sh_mmcif_state {
 	STATE_IDLE,