media: wave5: Ensure enough capture buffer are queued

As we don't remove decoded buffers, we need to ensure the rdy list have the
minimum buffer cound the firmware needs. This guaranty that each PIC_RUN call
have sufficient buffers. This retores BUMPING_A_ericsson_1 test.

drivers/media/platform/chips-media/wave5/wave5-vpu-dec.c

@@ -1754,7 +1754,7 @@ static int wave5_vpu_dec_job_ready(void *priv)
 		if (!m2m_ctx->cap_q_ctx.q.streaming) {
 			dev_dbg(inst->dev->dev, "CAPTURE queue must be streaming to queue jobs!\n");
 			return false;
-		} else if (!v4l2_m2m_num_dst_bufs_ready(m2m_ctx)) {
+		} else if (v4l2_m2m_num_dst_bufs_ready(m2m_ctx) < (inst->fbc_buf_count - 1)) {
 			dev_dbg(inst->dev->dev,
 				"No capture buffer ready to decode!\n");
 			return false;