[Patch] microMIPS cleanups

[Moore, Catherine]

Hi Richard,

This patch adds the m14ke processors to the cpu definition file, adds the m14kc 
to invoke.texi and updates BASE_DRIVER_SELF_SPECS for the m14ke*
Okay to commit?

Thanks,
Catherine

m14ke.cl
Description: m14ke.cl

m14ke.patch
Description: m14ke.patch