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/phytec/pcm051/mux.c b/board/phytec/pcm051/mux.c
index 6e9c3d2..9bca8ea 100644
--- a/board/phytec/pcm051/mux.c
+++ b/board/phytec/pcm051/mux.c
@@ -82,7 +82,7 @@
 	{-1},
 };
 
-#ifdef CONFIG_NAND
+#ifdef CONFIG_MTD_RAW_NAND
 static struct module_pin_mux nand_pin_mux[] = {
 	{OFFSET(gpmc_ad0), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD0 */
 	{OFFSET(gpmc_ad1), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD1 */
@@ -118,7 +118,7 @@
 	configure_module_pin_mux(rmii1_pin_mux);
 	configure_module_pin_mux(mmc0_pin_mux);
 	configure_module_pin_mux(cbmux_pin_mux);
-#ifdef CONFIG_NAND
+#ifdef CONFIG_MTD_RAW_NAND
 	configure_module_pin_mux(nand_pin_mux);
 #endif
 #ifdef CONFIG_SPI