#308 ppifcd has some errors on BF533-STAMP

[Peter_Wang]

When I tested the ppifcd on BF533-STAMP, it will generate some errors such as the followings.

root:/> ppifcd_test -p 1 -b 533
i2c_write_register: error: could not write msg: No such device or address
i2c_write_register: error: could not write msg: No such device or address
i2c_read_register: error: could not write msg: No such device or address
i2c_read_register: error: could not write msg: No such device or address
i2c_read_register: error: could not write msg: No such device or address
i2c_read_register: error: could not write msg: No such device or address
**** Calculated Times Based on the actual Camera setting *
Master Clock = 48 MHz
row_time = 224 pixel clocks
total_frame_time = 0 pixel clocks
total_frame_time = 0 usec************
Read Start: 2029892835.729089
Read End: 2029892835.788881
Total Frame Capture Time: 59790 usec