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/ti/am43xx/mux.c b/board/ti/am43xx/mux.c
index a61987e..f59e93a 100644
--- a/board/ti/am43xx/mux.c
+++ b/board/ti/am43xx/mux.c
@@ -73,7 +73,7 @@
 	{-1},
 };
 
-#ifdef CONFIG_NAND
+#ifdef CONFIG_MTD_RAW_NAND
 static struct module_pin_mux nand_pin_mux[] = {
 	{OFFSET(gpmc_ad0),	(MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD0 */
 	{OFFSET(gpmc_ad1),	(MODE(0) | PULLUDDIS | RXACTIVE)}, /* AD1 */
@@ -128,18 +128,18 @@
 	if (board_is_evm()) {
 		configure_module_pin_mux(gpio5_7_pin_mux);
 		configure_module_pin_mux(rgmii1_pin_mux);
-#if defined(CONFIG_NAND)
+#if defined(CONFIG_MTD_RAW_NAND)
 		configure_module_pin_mux(nand_pin_mux);
 #endif
 	} else if (board_is_sk() || board_is_idk()) {
 		configure_module_pin_mux(rgmii1_pin_mux);
-#if defined(CONFIG_NAND)
+#if defined(CONFIG_MTD_RAW_NAND)
 		printf("Error: NAND flash not present on this board\n");
 #endif
 		configure_module_pin_mux(qspi_pin_mux);
 	} else if (board_is_eposevm()) {
 		configure_module_pin_mux(rmii1_pin_mux);
-#if defined(CONFIG_NAND)
+#if defined(CONFIG_MTD_RAW_NAND)
 		configure_module_pin_mux(nand_pin_mux);
 #else
 		configure_module_pin_mux(qspi_pin_mux);