[MTD] maps: Replace dependency on non existing config option

CONFIG_ELAN doesn't exist any more; CONFIG_X86_ELAN is too specific
so make ts-5500 memory map dependant on CONFIG_X86.
Signed-off-by: NSean Young <sean@mess.org>
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>

drivers/mtd/maps/Kconfig

@@ -94,7 +94,7 @@ config MTD_NETSC520
 
 config MTD_TS5500
 	tristate "JEDEC Flash device mapped on Technologic Systems TS-5500"
-	depends on ELAN
+	depends on X86
 	select MTD_PARTITIONS
 	select MTD_JEDECPROBE
 	select MTD_CFI_AMDSTD