CONFIG_MN10300_PROC_HAS_TTYSM2 is not available for thedefaultarchitecture x86.
Result is shown for architecture mn10300

CONFIG_MN10300_PROC_HAS_TTYSM2 (not configurable)

configname: CONFIG_MN10300_PROC_HAS_TTYSM2

Matsushita MN10300/AM33 Kernel Configuration
└─>Matsushita MN10300 system setup
└─>MN10300 internal serial options
└─>MN10300_PROC_HAS_TTYSM2
In linux kernel since version 2.6.25 (release Date: 2008-04-16)