ASI1230: Reset periferals only in 1st stage bootloader
ASI1230: Change VIDEO0 initial settings to match what the linux ptp driver sets when it sets 48000Hz.

This seems to fix the PLL unlock observed in the rev 3.0 silicon.
ASI1230: Read product family from GPIO1[0..2] in board_init()

Print it in misc_init_r(). Amended by DB to be verbose only in eng mode.