[ARM] Orion/Kirkwood: rename orion5x_wdt to orion_wdt

The Orion watchdog driver is also used on Kirkwood.

Convention is to use orion5x for stuff specific to 88F5xxx Orion chips
and simply "orion" for shared stuff across SoCs including Kirkwood.

Signed-off-by: Nicolas Pitre <nico@marvell.com>
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 1e983b1..5744cac 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -231,14 +231,14 @@
 	  NOTE: once enabled, this timer cannot be disabled.
 	  Say N if you are unsure.
 
-config ORION5X_WATCHDOG
-	tristate "Orion5x watchdog"
+config ORION_WATCHDOG
+	tristate "Orion watchdog"
 	depends on ARCH_ORION5X || ARCH_KIRKWOOD
 	help
 	  Say Y here if to include support for the watchdog timer
-	  in the Orion5x and Kirkwood ARM SoCs.
+	  in the Marvell Orion5x and Kirkwood ARM SoCs.
 	  To compile this driver as a module, choose M here: the
-	  module will be called orion5x_wdt.
+	  module will be called orion_wdt.
 
 # AVR32 Architecture