net/dpaa: fix reallocate mbuf handling

This patch fixes the bug in the reallocate_mbuf code
handling. The source location is corrected when copying
the data in the new mbuf.

Fixes: f8c7a17 ("net/dpaa: support Tx scatter gather for non-DPAA buffer")
Cc: stable@dpdk.org

Signed-off-by: Vanshika Shukla <vanshika.shukla@nxp.com>
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>

drivers/net/dpaa/dpaa_rxtx.c

@@ -1223,7 +1223,7 @@ reallocate_mbuf(struct qman_fq *txq, struct rte_mbuf *mbuf)
 		/* Copy the data */
 		data = rte_pktmbuf_append(new_mbufs[0], bytes_to_copy);
 
-		rte_memcpy((uint8_t *)data, rte_pktmbuf_mtod_offset(mbuf,
+		rte_memcpy((uint8_t *)data, rte_pktmbuf_mtod_offset(temp_mbuf,
 			   void *, offset1), bytes_to_copy);
 
 		/* Set new offsets and the temp buffers */