Change in coreboot[master]: mb/google/dedede/var/cappy2: Add fw_config probe for multi audio codec

[Karthik Ramasubramanian (Code Review)]

Attention is currently required from: Sunwei Li, Henry Sun, Weimin Wu.
Karthik Ramasubramanian has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/56795 )

Change subject: mb/google/dedede/var/cappy2: Add fw_config probe for multi audio codec
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Patch Set 6:

(2 comments)

File src/mainboard/google/dedede/variants/cappy2/gpio.c:

https://review.coreboot.org/c/coreboot/+/56795/comment/07afad10_de9e014b 
PS6, Line 25: PAD_NC(GPP_D18, NONE),
What is in D18?

https://review.coreboot.org/c/coreboot/+/56795/comment/8f685e7c_f6c1c8c2 
PS6, Line 36: BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_ENTRY, fw_config_handle, NULL);
I believe the change here works well with CB:56616 i.e. both the changes are taking effect.