Change in coreboot[master]: mb/google/dedede/var/storo: Add camera support

[Andy Yeh (Code Review)]

Attention is currently required from: Martin Roth, Henry Sun, zanxi chen, Paul Menzel, Weimin Wu, Andy Yeh, Karthik Ramasubramanian, ShawnX Tu.
Andy Yeh has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/50995 )

Change subject: mb/google/dedede/var/storo: Add camera support
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Patch Set 2:

(1 comment)

Patchset:

PS2:
> If a second source is introduced at a later point in time, we need to differentiate identify unprovi […]

Hi Karthik, 
We have requested module vendor to program the module id in EEPROM (KC	0x0001	OV	0x8856) in order to sustain future additional source.  So I think we can add the logic to provision EEPROM when add'l module source is requested later, do you think so?