ARM: rmobile: Enable MMC and USB DM on Salvator-X

Enable the MMC and USB DM on the board since it's the modern method
and now supported by the drivers.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/configs/r8a7795_salvator-x_defconfig b/configs/r8a7795_salvator-x_defconfig
index d83eaf2..d53504a 100644
--- a/configs/r8a7795_salvator-x_defconfig
+++ b/configs/r8a7795_salvator-x_defconfig
@@ -23,6 +23,7 @@
 CONFIG_OF_CONTROL=y
 CONFIG_CLK=y
 CONFIG_CLK_RENESAS=y
+CONFIG_DM_MMC=y
 CONFIG_SH_SDHI=y
 CONFIG_PHY_MICREL=y
 CONFIG_PHY_MICREL_KSZ90X1=y
@@ -30,6 +31,7 @@
 CONFIG_RENESAS_RAVB=y
 CONFIG_SCIF_CONSOLE=y
 CONFIG_USB=y
+CONFIG_DM_USB=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_STORAGE=y
 CONFIG_SMBIOS_MANUFACTURER=""