not available while configuring controller. So a static CONFIG_NAND_xx
is needed to know the device's bus-width in advance.
+config SYS_NAND_MAX_CHIPS
+ int "NAND max chips"
+ default 1
+ depends on NAND_ARASAN
+ help
+ The maximum number of NAND chips per device to be supported.
+
if SPL
config SYS_NAND_U_BOOT_LOCATIONS