mmc: Select SPL_HS200_SUPPORT if SPL_HS400_SUPPORT is selected

Select SPL_HS200_SUPPORT if SPL_HS400_SUPPORT is selected as is being
done for the U-boot case.

Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig
index 4cdae41..66097ce 100644
--- a/drivers/mmc/Kconfig
+++ b/drivers/mmc/Kconfig
@@ -156,6 +156,7 @@
 
 config SPL_MMC_HS400_SUPPORT
 	bool "enable HS400 support in SPL"
+	select SPL_MMC_HS200_SUPPORT
 	help
 	  The HS400 mode is support by some eMMC. The bus frequency is up to
 	  200MHz. This mode requires tuning the IO.