We put gcclibir to be /usr/lib/<arch>/... and not default
usr/lib/gcc/<arch>, therefore make the include search path also look
into this directory, this should help in finding gcc headers like omp.h
(From OE-Core rev: 121ce09332099ab7ea695a3495daf4f904f69ae5)
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Cc: Martin Jansa <martin.jansa@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>