drm/amdgpu/vpe: add PRED_EXE and COLLAB_SYNC OPCODE

To support multi VPE collaborate mode.

Signed-off-by: Lang Yu <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

drivers/gpu/drm/amd/amdgpu/vpe_6_1_fw_if.h

···
     VPE_CMD_OPCODE_POLL_REGMEM  = 0x8,
     VPE_CMD_OPCODE_COND_EXE     = 0x9,
     VPE_CMD_OPCODE_ATOMIC       = 0xA,
-    VPE_CMD_OPCODE_PLANE_FILL   = 0xB,
+    VPE_CMD_OPCODE_PRED_EXE     = 0xB,
+    VPE_CMD_OPCODE_COLLAB_SYNC  = 0xC,
     VPE_CMD_OPCODE_TIMESTAMP    = 0xD
 };