[PATCH] Unify CPU feature accessor macros

[Bjoern Doebel]

Minor cleanup. IS_LITTLE_ENDIAN, HAS_SPECIAL_GPR0, and
HAS_SPECIAL_FPR0 have been declared in different locations and in the
first case even with a wrong parameter twice. This patch moves all
definitions into libcpu.h.

Signed-off by: Bjoern Doebel <bjoern...@googlemail.com>

[Pekka Enberg]

Please consider using plain-text for patches, attachments are hard to
review with most email clients.

Acked-by: Pekka Enberg <pen...@cs.helsinki.fi>