[U-Boot] [RESEND PATCH] arm: imx6: cm_fx6: Enable DM SPI and SPI_FLASH, fix SPL build errors

> From: Suniel Mahesh > Enable driver model for SPI and SPI_FLASH to remove the following > compile warning on CM-FX6 SOM: > = WARNING == > This board does not use CONFIG_DM_SPI_FLASH. Please update > the board to use CONFIG_SPI_FLASH before the v2019.07 rel

[U-Boot] [RESEND PATCH] arm: imx6: cm_fx6: Enable DM SPI and SPI_FLASH, fix SPL build errors

From: Suniel Mahesh Enable driver model for SPI and SPI_FLASH to remove the following compile warning on CM-FX6 SOM: = WARNING == This board does not use CONFIG_DM_SPI_FLASH. Please update the board to use CONFIG_SPI_FLASH before the v2019.07 release. =