CONFIG_MVME147_SCC is not available for thedefaultarchitecture x86.
Result is shown for architecture m68k

SCC support for MVME147 serial ports

modulename: generic_serial.ko

configname: CONFIG_MVME147_SCC

Linux/68k Kernel Configuration
└─>Character devices
└─>SCC support for MVME147 serial ports
In linux kernel since version 2.6.12  
This is the driver for the serial ports on the Motorola MVME147
boards. Everyone using one of these boards should say Y here.

source code:
depends
CONFIG_BROKEN
CONFIG_MVME147