CONFIG_M547x is not available for thedefaultarchitecture x86.
Result is shown for architecture m68k
MCF547x
configname: CONFIG_M547x
CPU
└─>MCF547x
In linux kernel since version 2.6.38 (release Date: 2011-03-14)
Freescale ColdFire 5470/5471/5472/5473/5474/5475 processor support.