lshw: fix build failure

Fix space-unfriendly CC/CXX/AR argument passing.
Fixes build failure
http://autobuild.buildroot.net/results/d8c7b5ef4056a197bb8085b0fcdd09d931aec876/build-end.log



Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>