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/board/bosch/shc/board.c b/board/bosch/shc/board.c
index 60f9c1c..440d02f 100644
--- a/board/bosch/shc/board.c
+++ b/board/bosch/shc/board.c
@@ -444,7 +444,7 @@
 		puts("EEPROM Content Invalid.\n");
 
 	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
-#if defined(CONFIG_NOR) || defined(CONFIG_NAND)
+#if defined(CONFIG_NOR) || defined(CONFIG_MTD_RAW_NAND)
 	gpmc_init();
 #endif
 	shc_request_gpio();