fix[hal_vp9d_com]: Fixed memory leak issue

Platform: RK3576

Error case: Decode vp9 source

Change-Id: If2a444cd70d850a190a26e2eabc3cdde9d997dd3
Signed-off-by: Hongjin Li <vic.hong@rock-chips.com>

mpp/hal/rkdec/vp9d/hal_vp9d_com.c

@@ -1968,6 +1968,7 @@ MPP_RET hal_vp9d_prob_kf(void *buf)
 
     mpp_put_align(&bp, 128, 0);
     memcpy(buf, probe_packet, PROB_KF_SIZE);
+    MPP_FREE(probe_packet);
 
     return MPP_OK;
 }