msm: camera: smmu: Add debugfs to invoke panic on Page Fault

Add debugfs to invoke kernel panic on Page Fault for specified
context bank index upon encountering Page Fault on non-fatal
property.

CRs-Fixed: 3190298
Change-Id: I0b68d70ec893c93d1ba0df4ee6b6484fba8e31d1
Signed-off-by: Sokchetra Eung <quic_eung@quicinc.com>

drivers/cam_utils/cam_common_util.h

@@ -1,6 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2017-2021, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
 #ifndef _CAM_COMMON_UTIL_H_
@@ -30,6 +31,8 @@
 #define PTR_TO_U64(ptr) ((uint64_t)(uintptr_t)ptr)
 #define U64_TO_PTR(ptr) ((void *)(uintptr_t)ptr)
 
+#define CAM_TRIGGER_PANIC(format, args...) panic("CAMERA - " format "\n", ##args)
+
 #define CAM_GET_TIMESTAMP(timestamp) ktime_get_real_ts64(&(timestamp))
 #define CAM_GET_TIMESTAMP_DIFF_IN_MICRO(ts_start, ts_end, diff_microsec)         \
 ({                                                                               \