watchdog: tango: rename ARCH_TANGOX to ARCH_TANGO

This change was requested by arm-soc maintainer Kevin Hilman
because the X in TANGOX is a wildcard.

Signed-off-by: Marc Gonzalez <[email protected]>
Acked-by: Mans Rullgard <[email protected]>
Signed-off-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 4f0e7be..e723e01 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -145,7 +145,7 @@
 config TANGOX_WATCHDOG
 	tristate "Sigma Designs SMP86xx/SMP87xx watchdog"
 	select WATCHDOG_CORE
-	depends on ARCH_TANGOX || COMPILE_TEST
+	depends on ARCH_TANGO || COMPILE_TEST
 	help
 	  Support for the watchdog in Sigma Designs SMP86xx (tango3)
 	  and SMP87xx (tango4) family chips.