mtd: ensure MTD/the raw NAND core are compiled when there is a NAND flash

Both symbols must be enabled when there is a raw NAND driver
selected. Also enable them when CONFIG_CMD_NAND is selected to avoid
breaking things when we'll further rework the MTD dependency
description.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Boris Brezillon <boris.brezillon@bootlin.com>
[trini: Rebase and migrate a few more boards here]
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/T4160QDS_NAND_defconfig b/configs/T4160QDS_NAND_defconfig
index 076f19a..eb6be11 100644
--- a/configs/T4160QDS_NAND_defconfig
+++ b/configs/T4160QDS_NAND_defconfig
@@ -42,11 +42,12 @@
 CONFIG_ENV_IS_IN_NAND=y
 CONFIG_FSL_CAAM=y
 CONFIG_FSL_ESDHC=y
+CONFIG_MTD=y
+CONFIG_MTD_RAW_NAND=y
 CONFIG_MTD_NOR_FLASH=y
 CONFIG_FLASH_CFI_DRIVER=y
 CONFIG_SYS_FLASH_USE_BUFFER_WRITE=y
 CONFIG_SYS_FLASH_CFI=y
-CONFIG_MTD_RAW_NAND=y
 CONFIG_SPI_FLASH=y
 CONFIG_SF_DEFAULT_MODE=0
 CONFIG_SF_DEFAULT_SPEED=10000000