feat[vepu510]: Sync code from enc_tune branch

1. Add cu_qp_delta_depth cfg
2. Configure AQ regs for H.265
3. Configure regs according to scene mode
4. Support fixed frame level QP
5. Add RDO lambda table index
6. Update stat info for HEVC
7. Add tuning code for H.264 encoder

Change-Id: Id7dae4ed55e1b94622aee72cfce8f24c833d00e1
Signed-off-by: Tingjin Huang <timkingh.huang@rock-chips.com>

utils/mpi_enc_utils.h

@@ -77,6 +77,9 @@ typedef struct MpiEncTestArgs_t {
     /* -sm scene_mode */
     RK_S32              scene_mode;
 
+    /* -qpdd cu_qp_delta_depth */
+    RK_S32              cu_qp_delta_depth;
+
     /* -v q runtime log disable flag */
     RK_U32              quiet;
     /* -v f runtime fps log flag */