[S] Change in coreboot[main]: mb/google/nissa/var/craaskov: Modify GPIOs to remove TOF function

[Dtrain Hsu (Code Review)]

Attention is currently required from: Chen-Tsung Hsieh, Derek Huang, Ian Feng, Kenny Pan, Nick Vaccaro, Rex Chou, Shou-Chieh Hsu, Subrata Banik.

Dtrain Hsu has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/78147?usp=email )

Change subject: mb/google/nissa/var/craaskov: Modify GPIOs to remove TOF function
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Patch Set 1:

(1 comment)

File src/mainboard/google/brya/variants/craaskov/gpio.c:

https://review.coreboot.org/c/coreboot/+/78147/comment/8692cd1b_a79148be :
PS1, Line 14: 	/* B5  : GPP_B5 ==> NC */
Here is disable i2c bus, should we also disable i2c bus in overridetree.cb?
```
.i2c[2] = {
 .speed = I2C_SPEED_FAST,
 .speed_config[0] = {
        .speed = I2C_SPEED_FAST,
    .scl_lcnt = 158,
    .scl_hcnt = 79,
    .sda_hold = 7,
  }
},
```