r8152: adjust some duplicated code
r8152: adjust some duplicated code

- Use r8152_get_tx_agg for getting tx agg list
- Replace submit rx with goto submit

Signed-off-by: Hayes Wang <2e4abddca5cd1005ec71becebc17a5257b0bced7@realtek.com>
Signed-off-by: David S. Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs