hardware: samsung_slsi: libcamera2: Fix missing fields in EXIF

ISO vaule and a few more fields are missing in EXIF sometimes.
This patch resolves it.
Fixed metadata bug in flash mode also.

Bug: 7276514
Change-Id: If077d8c5dc4ec7b6821279996637e4329aa43146
Signed-off-by: Sungjoong Kang <sj3.kang@samsung.com>
diff --git a/libcamera2/ExynosCameraHWInterface2.h b/libcamera2/ExynosCameraHWInterface2.h
index e10905e..a3fbb3d 100644
--- a/libcamera2/ExynosCameraHWInterface2.h
+++ b/libcamera2/ExynosCameraHWInterface2.h
@@ -296,6 +296,8 @@
     nsecs_t  GetTimestamp(int index);
     uint8_t  GetOutputStreamByFrameCnt(int frameCnt);
     uint8_t  GetOutputStream(int index);
+    camera2_shot_ext *  GetInternalShotExtByFrameCnt(int frameCnt);
+    camera2_shot_ext *  GetInternalShotExt(int index);
     int     FindFrameCnt(struct camera2_shot_ext * shot_ext);
     bool    IsVdisEnable(void);
     int     FindEntryIndexByFrameCnt(int frameCnt);