powerpc/pseries: Scan for all events in rtasd

Instead of checking for known events, pass in all 1s so we handle future
event types.  We were currently missing the IO event type.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

arch/powerpc/include/asm/rtas.h

@@ -68,7 +68,8 @@ struct rtas_t {
 #define RTAS_EPOW_WARNING		0x40000000 /* set bit 1 */
 #define RTAS_POWERMGM_EVENTS		0x20000000 /* set bit 2 */
 #define RTAS_HOTPLUG_EVENTS		0x10000000 /* set bit 3 */
-#define RTAS_EVENT_SCAN_ALL_EVENTS	0xf0000000
+#define RTAS_IO_EVENTS			0x08000000 /* set bit 4 */
+#define RTAS_EVENT_SCAN_ALL_EVENTS	0xffffffff
 
 /* RTAS event severity */
 #define RTAS_SEVERITY_FATAL		0x5