powerpc/pseries: Remove RTAS_POWERMGM_EVENTS

IBM bit 2 in the rtas event-scan and check-exception calls is
marked reserved in the PAPR, so remove it from our RAS code.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c
index 670b45b..42fda79 100644
--- a/arch/powerpc/platforms/pseries/ras.c
+++ b/arch/powerpc/platforms/pseries/ras.c
@@ -223,7 +223,7 @@
 	status = rtas_call(ras_check_exception_token, 6, 1, NULL,
 			   RTAS_VECTOR_EXTERNAL_INTERRUPT,
 			   virq_to_hw(irq),
-			   RTAS_EPOW_WARNING | RTAS_POWERMGM_EVENTS,
+			   RTAS_EPOW_WARNING,
 			   critical, __pa(&ras_log_buf),
 				rtas_get_error_log_max());