watchdog: aspeed: Remove specific reference to AST2400 in Kconfig

The driver also supports the watchdog in the AST25xx series, and
may work on earlier SoCs as well.

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

drivers/watchdog/Kconfig

@@ -741,7 +741,7 @@ config RENESAS_RZAWDT
 	  Renesas RZ/A SoCs. These watchdogs can be used to reset a system.
 
 config ASPEED_WATCHDOG
-	tristate "Aspeed 2400 watchdog support"
+	tristate "Aspeed BMC watchdog support"
 	depends on ARCH_ASPEED || COMPILE_TEST
 	select WATCHDOG_CORE
 	help