riowatchdog: Move under drivers/watchdog

The config stuff was already in drivers/watchdog/Kconfig

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile
index ca3dc04..57c7e8b 100644
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -122,6 +122,8 @@
 
 # SPARC64 Architecture
 
+obj-$(CONFIG_WATCHDOG_RIO)		+= riowd.o
+
 # XTENSA Architecture
 
 # Architecture Independant