scripts: use the hardfloat option to set configure and CFLAGS
When hardfloat is selected, we need to pass that selection down to
./configure and in the CFLAGS.
Signed-off-by: Michael Hope <michael.hope@linaro.org>
[yann.morin.1998@anciens.enib.fr: split the original patch]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>