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/ls1046afrwy_tfa_defconfig b/configs/ls1046afrwy_tfa_defconfig
index 0a7ff78..83a72b3 100644
--- a/configs/ls1046afrwy_tfa_defconfig
+++ b/configs/ls1046afrwy_tfa_defconfig
@@ -56,3 +56,5 @@
 CONFIG_DM_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
+CONFIG_MTD=y
+CONFIG_MTD_RAW_NAND=y