UPDATE 4-Fujitsu, Toshiba in mobile merger talks -sources

* Would create Japan's No. 2 cell phone firm after Sharp * Fujitsu shares rise 0.9 pct, Toshiba shares up 2.2 pct (Adds comments, background) TOKYO, June 11 (Reuters) - Fujitsu Ltd (6702. T: Quote, Profile, Research, Stock Buzz...