Enable notrigger for PFA test case

Too many BIOSes are bogus so that we have to disable
auto trigger mechanism for PFA test case.

Signed-off-by: Chen, Gong <gong.chen@linux.intel.com>
diff --git a/cases/function/pfa/run_pfa.sh b/cases/function/pfa/run_pfa.sh
index fe97aed..d9bd11b 100755
--- a/cases/function/pfa/run_pfa.sh
+++ b/cases/function/pfa/run_pfa.sh
@@ -18,6 +18,7 @@
 	echo $INJ_TYPE > $APEI_IF/error_type
 	echo $1 > $APEI_IF/param1
 	echo 0xfffffffffffff000 > $APEI_IF/param2
+	echo 1 > $APEI_IF/notrigger
 	echo 1 > $APEI_IF/error_inject
 }