AMD ACPI2Platform devices support

modulename: clk-fch.ko

configname: CONFIG_X86_AMD_PLATFORM_DEVICE

Linux Kernel Configuration
└─>Processor type and features
└─>AMD ACPI2Platform devices support
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Select to interpret AMD specific ACPI device to platform device
such as I2C, UART, GPIO found on AMD Carrizo and later chipsets.
I2C and UART depend on COMMON_CLK to set clock. GPIO driver is
implemented under PINCTRL subsystem.