cpuid device definitions: remove utf-8 registered symbols.

Signed-off-by: Simon Gerber <simon.gerber@inf.ethz.ch>

[T115] extending support for cpuid instruction

initial commit of a unified cpuid library for obtaining information
about cpu features, caches, tlbs, cores/threads etc.

Signed-off-by: Reto Achermann <reto.achermann@inf.ethz.ch>