board-overo: convert 032 to 034
mt9v034: add defines for BLACK LEVEL CALIBRATION registers
DEBUG printk in mt9v034_s_ctrl
add V4L2_I2C_BACKDOOR
move from CID_PRIVATE to 0x9f0902
move to 0x9f0903
move backdoor to 0x981902
remove conflicting V4L2_CID_TEST_PATTERN
hack in new backdoor format in 10 bits