default or selected kernelversion does not have config value CONFIG_I2C_ACPI.
Result is shown for kernelversion 5.2.15

I2C ACPI support

configname: CONFIG_I2C_ACPI

Linux Kernel Configuration
└─>Device Drivers
└─>I2C support
└─>I2C ACPI support
In linux kernel since version 3.17.1 (release Date: 2014-10-15)  
Say Y here if you want to enable ACPI I2C support. This includes support
for automatic enumeration of I2C slave devices and support for ACPI I2C
Operation Regions. Operation Regions allow firmware (BIOS) code to
access I2C slave devices, such as smart batteries through an I2C host
controller driver.

selects
CONFIG_I2C

depends
CONFIG_ACPI