CONFIG_MACH_SNOWBALL is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
default or selected kernelversion does not have config value CONFIG_MACH_SNOWBALL.
Result is shown for kernelversion 6.7-rc3
U8500 Snowball platform
configname: CONFIG_MACH_SNOWBALL
Linux Kernel Configuration
└─>ST-Ericsson U8500 Series
└─>U8500 Snowball platform
In linux kernel since version 3.1 (release Date: 2011-10-24)
Include support for the snowball development platform.