ARM: rmobile: Enable DM regulator support

Regulators are needed for the MMC framework to let it toggle the SD power.
Enable DM regulator support and support for fixed and GPIO regulator.
Signed-off-by: NMarek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

configs/r8a7795_salvator-x_defconfig

@@ -35,6 +35,9 @@ CONFIG_PHY_MICREL=y
 CONFIG_PHY_MICREL_KSZ90X1=y
 CONFIG_DM_ETH=y
 CONFIG_RENESAS_RAVB=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_REGULATOR_GPIO=y
 CONFIG_SCIF_CONSOLE=y
 CONFIG_USB=y
 CONFIG_DM_USB=y

configs/r8a7795_ulcb_defconfig

@@ -32,6 +32,9 @@ CONFIG_DM_MMC=y
 CONFIG_MMC_UNIPHIER=y
 CONFIG_DM_ETH=y
 CONFIG_RENESAS_RAVB=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_REGULATOR_GPIO=y
 CONFIG_SCIF_CONSOLE=y
 CONFIG_USB=y
 CONFIG_DM_USB=y

configs/r8a7796_salvator-x_defconfig

@@ -36,6 +36,9 @@ CONFIG_PHY_MICREL=y
 CONFIG_PHY_MICREL_KSZ90X1=y
 CONFIG_DM_ETH=y
 CONFIG_RENESAS_RAVB=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_REGULATOR_GPIO=y
 CONFIG_SCIF_CONSOLE=y
 CONFIG_USB=y
 CONFIG_DM_USB=y

configs/r8a7796_ulcb_defconfig

@@ -33,6 +33,9 @@ CONFIG_DM_MMC=y
 CONFIG_MMC_UNIPHIER=y
 CONFIG_DM_ETH=y
 CONFIG_RENESAS_RAVB=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_REGULATOR_GPIO=y
 CONFIG_SCIF_CONSOLE=y
 CONFIG_USB=y
 CONFIG_DM_USB=y