[coreboot-gerrit] Change in coreboot[master]: drivers/i2c/tpm: Add override function for TPM I2C bus

[EricR Lai (Code Review)]

Attention is currently required from: Arthur Heymans, Nico Huber, Tim Wawrzynczak, Christian Walter, Angel Pons, Julius Werner.
EricR Lai has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/59768 )

Change subject: drivers/i2c/tpm: Add override function for TPM I2C bus
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Patch Set 4:

(1 comment)

File src/drivers/i2c/tpm/tis.c:

https://review.coreboot.org/c/coreboot/+/59768/comment/31c52d4e_298ba67c 
PS4, Line 22: int __weak get_tpm_i2c_bus(void)
            : {
            : 	return CONFIG_DRIVER_TPM_I2C_BUS;
            : }
> +1, there's absolutely no reason to use weak symbols here. […]

I see. DRIVER_TPM_I2C_BUS_RUNTIME_DEPENDENT seems a good idea. Any options?