Fix aligment issue: pktbuf needs to be 16bit aligned
Otherwise hardfault in cdcecm_receive() at BUF->type.
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@ -120,8 +120,8 @@ struct cdcecm_driver_s
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FAR struct usbdev_ep_s *epbulkout; /* Bulk OUT endpoint */
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uint8_t config; /* Selected configuration number */
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uint8_t pktbuf[CONFIG_NET_ETH_PKTSIZE +
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CONFIG_NET_GUARDSIZE];
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uint16_t pktbuf[(CONFIG_NET_ETH_PKTSIZE +
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CONFIG_NET_GUARDSIZE + 1) / 2];
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struct usbdev_req_s *rdreq; /* Single read request */
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bool rxpending; /* Packet available in rdreq */
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@ -2095,7 +2095,7 @@ static int cdcecm_classobject(int minor,
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/* Network device initialization */
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self->dev.d_buf = self->pktbuf;
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self->dev.d_buf = (uint8_t *)self->pktbuf;
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self->dev.d_ifup = cdcecm_ifup; /* I/F up (new IP address) callback */
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self->dev.d_ifdown = cdcecm_ifdown; /* I/F down callback */
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self->dev.d_txavail = cdcecm_txavail; /* New TX data callback */
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