x86, rdc321x: remove watchdog file

remove the arch/x86/mach-rdc321x/wdt.c file.

Signed-off-by: Florian Fainelli <florian.fainelli@telecomint.eu>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/mach-rdc321x/Makefile b/arch/x86/mach-rdc321x/Makefile
index 1faac81..8325b4c 100644
--- a/arch/x86/mach-rdc321x/Makefile
+++ b/arch/x86/mach-rdc321x/Makefile
@@ -1,5 +1,5 @@
 #
 # Makefile for the RDC321x specific parts of the kernel
 #
-obj-$(CONFIG_X86_RDC321X)        := gpio.o platform.o wdt.o
+obj-$(CONFIG_X86_RDC321X)        := gpio.o platform.o