[ARM SMP] Add timer/watchdog defines for MPCore

Actually add the file this time.
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

include/asm-arm/hardware/arm_twd.h

+#ifndef __ASM_HARDWARE_TWD_H
+#define __ASM_HARDWARE_TWD_H
+
+#define TWD_TIMER_LOAD 		0x00
+#define TWD_TIMER_COUNTER		0x04
+#define TWD_TIMER_CONTROL		0x08
+#define TWD_TIMER_INTSTAT		0x0C
+
+#define TWD_WDOG_LOAD			0x20
+#define TWD_WDOG_COUNTER		0x24
+#define TWD_WDOG_CONTROL		0x28
+#define TWD_WDOG_INTSTAT		0x2C
+#define TWD_WDOG_RESETSTAT		0x30
+#define TWD_WDOG_DISABLE		0x34
+
+#endif