[MTD] [NOR] Add "Spansion" to MTD_CFI_AMDSTD kconfig menu description

This long overdue trivial change to the MTD_CFI_AMDSTD kconfig menu
description is intended to help clarify that this option also supports
Spansion flash devices.
Signed-off-by: George G. Davis <gdavis@mvista.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

drivers/mtd/chips/Kconfig

@@ -188,7 +188,7 @@ config MTD_CFI_INTELEXT
 	  StrataFlash and other parts.
 
 config MTD_CFI_AMDSTD
-	tristate "Support for AMD/Fujitsu flash chips"
+	tristate "Support for AMD/Fujitsu/Spansion flash chips"
 	depends on MTD_GEN_PROBE
 	select MTD_CFI_UTIL
 	help