dh_imx6: Switch to full DM-aware

Enable DM_SPI/DM_SPI_FLASH with a related config option.

Build fine, but not tested.

Cc: Ludwig Zenz <lzenz@dh-electronics.de>
Cc: Andreas Geisreiter <ageisreiter@dh-electronics.de>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>

configs/dh_imx6_defconfig

@@ -51,12 +51,14 @@ CONFIG_CMD_CACHE=y
 CONFIG_CMD_TIME=y
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_OF_CONTROL=y
+CONFIG_SPL_OF_CONTROL=y
 CONFIG_OF_LIST="imx6q-dhcom-pdk2 imx6dl-dhcom-pdk2"
 CONFIG_MULTI_DTB_FIT=y
 CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_SPI_FLASH=y
 CONFIG_SYS_REDUNDAND_ENVIRONMENT=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_SPL_DM=y
 CONFIG_BOUNCE_BUFFER=y
 CONFIG_DWC_AHSATA=y
 CONFIG_BOOTCOUNT_LIMIT=y
@@ -103,4 +105,5 @@ CONFIG_CI_UDC=y
 CONFIG_USB_GADGET_DOWNLOAD=y
 CONFIG_WATCHDOG_TIMEOUT_MSECS=60000
 CONFIG_IMX_WATCHDOG=y
+# CONFIG_SPL_WDT is not set
 CONFIG_BZIP2=y

include/configs/dh_imx6.h

@@ -52,12 +52,6 @@
 /* SATA Configs */
 #define CONFIG_LBA48
 
-/* SPI Flash Configs */
-#if defined(CONFIG_SPL_BUILD)
-#undef CONFIG_DM_SPI
-#undef CONFIG_DM_SPI_FLASH
-#endif
-
 /* UART */
 #define CONFIG_MXC_UART_BASE		UART1_BASE