mtd: rename CONFIG_NAND -> CONFIG_MTD_RAW_NAND

Add more clarity by changing the Kconfig entry name.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
[trini: Re-run migration, update a few more cases]
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Boris Brezillon <boris.brezillon@bootlin.com>
diff --git a/include/configs/da850evm.h b/include/configs/da850evm.h
index e4c8dc3..5bd5cd8 100644
--- a/include/configs/da850evm.h
+++ b/include/configs/da850evm.h
@@ -123,7 +123,7 @@
 /*
  * Flash & Environment
  */
-#ifdef CONFIG_NAND
+#ifdef CONFIG_MTD_RAW_NAND
 #define CONFIG_SYS_NAND_4BIT_HW_ECC_OOBFIRST
 #define	CONFIG_SYS_NAND_PAGE_2K
 #define CONFIG_SYS_NAND_CS		3
@@ -226,7 +226,7 @@
 #define CONFIG_CLOCKS
 #endif
 
-#if !defined(CONFIG_NAND) && \
+#if !defined(CONFIG_MTD_RAW_NAND) && \
 	!defined(CONFIG_USE_NOR) && \
 	!defined(CONFIG_USE_SPIFLASH)
 #endif