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/ti_omap3_common.h b/include/configs/ti_omap3_common.h
index 5d9c8ef..3d7cb17 100644
--- a/include/configs/ti_omap3_common.h
+++ b/include/configs/ti_omap3_common.h
@@ -58,7 +58,7 @@
 #define CONFIG_SYS_SPL_ARGS_ADDR	(CONFIG_SYS_SDRAM_BASE + \
 					 (64 << 20))
 
-#ifdef CONFIG_NAND
+#ifdef CONFIG_MTD_RAW_NAND
 #define CONFIG_SYS_NAND_BASE		0x30000000
 #endif