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/ls2080ardb.h b/include/configs/ls2080ardb.h
index 926239a..b251c79 100644
--- a/include/configs/ls2080ardb.h
+++ b/include/configs/ls2080ardb.h
@@ -196,7 +196,7 @@
 					FTIM2_GPCM_TWP(0x3E))
 #define CONFIG_SYS_CS3_FTIM3		0x0
 
-#if defined(CONFIG_SPL) && defined(CONFIG_NAND)
+#if defined(CONFIG_SPL) && defined(CONFIG_MTD_RAW_NAND)
 #define CONFIG_SYS_CSPR2_EXT		CONFIG_SYS_NOR0_CSPR_EXT
 #define CONFIG_SYS_CSPR2		CONFIG_SYS_NOR0_CSPR_EARLY
 #define CONFIG_SYS_CSPR2_FINAL		CONFIG_SYS_NOR0_CSPR