Apple is lobbying the ?Trump administration for clearance to buy ?memory chips from ChangXin Memory Technologies, a Chinese company the Pentagon has put on a blacklist, the ?Financial Times reported on Friday.The iPhone maker has lobbied the ?White House for approval aimed at easing ?financial ?pressure on the company from rising memory ?chip prices, the newspaper said, citing unnamed sources.The White House, Apple and CXMT did not respond ?to requests for comment ?from Reuters outside business hours.The lobbying push underscores the bind facing major US technology companies as soaring memory chip costs ?collide with Washington’s national security restrictions on ?Chinese…