Camera is facing axi overflow issues for full size modes due to unavailability of AXI bus for VFE. Update camera driver to send AXI allocate request before starting the camera. Change-Id: I2b3249cd85ecf552a042cd690853eb6f4d4b346d CRs-Fixed: 383532 Signed-off-by: Suresh Vankadara <svankada@codeaurora.org>