Merge tag 'u-boot-imx-20190426' of git://git.denx.de/u-boot-imx

Porting to DM and i.MX8
------------------------

- warp7 to DM
- kp_imx53 to DM
- Warnings in DT
- MX8QM support
- colibri-imx6ull to DM
- imx7d-pico to DM
- ocotp for MX8

configs/pico-imx7d_defconfig

@@ -16,6 +16,8 @@ CONFIG_DISTRO_DEFAULTS=y
 CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/mach-imx/spl_sd.cfg"
 CONFIG_BOOTCOMMAND="run findfdt; run finduuid; run distro_bootcmd"
 CONFIG_DEFAULT_FDT_FILE="ask"
+CONFIG_OF_CONTROL=y
+CONFIG_DEFAULT_DEVICE_TREE="imx7d-pico-pi"
 CONFIG_BOUNCE_BUFFER=y
 CONFIG_SPL_TEXT_BASE=0x00911000
 CONFIG_SPL_I2C_SUPPORT=y
@@ -26,6 +28,10 @@ CONFIG_SPL_USB_SDP_SUPPORT=y
 CONFIG_CMD_BOOTMENU=y
 # CONFIG_CMD_IMI is not set
 # CONFIG_CMD_XIMG is not set
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_IMX7=y
+CONFIG_DM_GPIO=y
+CONFIG_DM_MMC=y
 CONFIG_CMD_SPL=y
 CONFIG_CMD_SPL_WRITE_SIZE=0x20000
 CONFIG_CMD_DFU=y
@@ -59,4 +65,3 @@ CONFIG_USB_GADGET_VENDOR_NUM=0x0525
 CONFIG_USB_GADGET_PRODUCT_NUM=0xa4a5
 CONFIG_CI_UDC=y
 CONFIG_VIDEO=y
-CONFIG_OF_LIBFDT=y