CONFIG_MN10300_TTYSM_CONSOLE is not available for thedefaultarchitecture x86.
Result is shown for architecture mn10300

Support for console on ttySM serial ports

configname: CONFIG_MN10300_TTYSM_CONSOLE

Matsushita MN10300/AM33 Kernel Configuration
└─>Matsushita MN10300 system setup
└─>MN10300 internal serial options
└─>Support for console on ttySM serial ports
In linux kernel since version 2.6.25 (release Date: 2008-04-16)  
This option enables support for a console on the on-chip serial ports
that the MN10300 has available.