configs: rockchip: radxa-cm3-io, rock-3a: enable commands for i2c/pmic/regulator

enable commands for i2c/pmic/regulator and relevant configs.
also drop configs for unused regulators.

Signed-off-by: FUKAUMI Naoki <naoki@radxa.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/configs/radxa-cm3-io-rk3566_defconfig b/configs/radxa-cm3-io-rk3566_defconfig
index 2100cf2..9b99181 100644
--- a/configs/radxa-cm3-io-rk3566_defconfig
+++ b/configs/radxa-cm3-io-rk3566_defconfig
@@ -37,9 +37,12 @@
 CONFIG_SPL_STACK_R=y
 CONFIG_SPL_ATF=y
 CONFIG_CMD_GPT=y
+CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y
 CONFIG_CMD_USB=y
 # CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_PMIC=y
+CONFIG_CMD_REGULATOR=y
 # CONFIG_SPL_DOS_PARTITION is not set
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_OF_LIVE=y
@@ -60,8 +63,9 @@
 CONFIG_GMAC_ROCKCHIP=y
 CONFIG_PHY_ROCKCHIP_INNO_USB2=y
 CONFIG_PHY_ROCKCHIP_NANENG_COMBOPHY=y
-CONFIG_REGULATOR_PWM=y
-CONFIG_DM_REGULATOR_GPIO=y
+CONFIG_DM_PMIC=y
+CONFIG_PMIC_RK8XX=y
+CONFIG_REGULATOR_RK8XX=y
 CONFIG_PWM_ROCKCHIP=y
 CONFIG_SPL_RAM=y
 CONFIG_BAUDRATE=1500000
diff --git a/configs/rock-3a-rk3568_defconfig b/configs/rock-3a-rk3568_defconfig
index 1eb12e8..f0db15b 100644
--- a/configs/rock-3a-rk3568_defconfig
+++ b/configs/rock-3a-rk3568_defconfig
@@ -41,6 +41,8 @@
 CONFIG_CMD_MMC=y
 CONFIG_CMD_USB=y
 # CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_PMIC=y
+CONFIG_CMD_REGULATOR=y
 # CONFIG_SPL_DOS_PARTITION is not set
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_OF_LIVE=y
@@ -64,7 +66,6 @@
 CONFIG_DM_PMIC=y
 CONFIG_PMIC_RK8XX=y
 CONFIG_SPL_PMIC_RK8XX=y
-CONFIG_REGULATOR_PWM=y
 CONFIG_REGULATOR_RK8XX=y
 CONFIG_PWM_ROCKCHIP=y
 CONFIG_SPL_RAM=y