Always use use_icc to check if IceCC should be enabled. Move
ICECC_DISABLED variable checking to use_icc function. Also while we are
at it, fix condition in icc_is_allarch function.
(From OE-Core rev: 20b0168da47d6e30fcbaf6adab3bde0d398d0d00)
Signed-off-by: Dmitry Eremin-Solenikov <dmitry_eremin@mentor.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>