CONFIG_MVME147_SCC is not available for the selected architecture 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