By Giuseppe Fonte and Valentina Za ROME (Reuters) -Representatives of Credit Agricole have discussed with Italian government officials in recent weeks the conditions for a possible tie-up between the French bank's Italian unit and Banco BPM, two people close to the matter said. Credit Agricole executives met with the Rome officials after the bank sought supervisory clearance in July to own up to 29.9% of Banco BPM and used derivative contracts to increase its holding to just above 20%, one of the people ...