configs: Update Meson GX configs

Enable USB on all Amlogic Meson GXL based board.
Enable Regulator support on all boards.
Enable ADC support on the LibreTech-CC board.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/configs/p212_defconfig b/configs/p212_defconfig
index 344c04a..f9b282e 100644
--- a/configs/p212_defconfig
+++ b/configs/p212_defconfig
@@ -16,10 +16,15 @@
 CONFIG_CMD_GPIO=y
 # CONFIG_CMD_LOADS is not set
 CONFIG_CMD_MMC=y
+CONFIG_CMD_USB=y
 # CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_REGULATOR=y
 CONFIG_OF_CONTROL=y
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_DM_GPIO=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_RESET=y
 CONFIG_DM_MMC=y
 CONFIG_MMC_MESON_GX=y
 CONFIG_PHY_ADDR_ENABLE=y
@@ -34,3 +39,12 @@
 CONFIG_DEBUG_UART_SKIP_INIT=y
 CONFIG_MESON_SERIAL=y
 CONFIG_OF_LIBFDT_OVERLAY=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_DWC3=y
+CONFIG_USB_XHCI_DWC3_OF_SIMPLE=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_STORAGE=y
+CONFIG_PHY=y
+CONFIG_MESON_GXL_USB_PHY=y