Auto Detect 4330B1/B2 and download properly firmware
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You can use below instruction to perform the auto detect instruction:
insmod dhd.ko "fwb1_path=<firmware path for b1> fwb2_path=<firmware path for b2> nvram_path=<nvram path>"
The original one still can work if auto detect is not needed:
insmod dhd.ko "firmware_path=<firmware path> nvram_path=<nvram path>"

OOB nvram setting
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HW OOB:
	No nvram parameter needed

SW OOB edge trigger:
	sd_gpout=0
	sd_oobonly=1
	
SW OOB level trigger:
	sd_gpout=0
	sd_oobonly=1
	sd_level_trigger=1

How to overwrite nvram to OTP
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1. add nvram_override=1 to nvram