configure: we do not require curl, but wget.
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
(transplanted from d84ae99556cd948350c086628a5e163e6b464e00)
1 reporter_name="Yann E. MORIN"
2 reporter_url="http://ymorin.is-a-geek.org/projects/crosstool"
3 reporter_comment="Experimental toolchain for ARM cortex-m3 in Thumb-only, noMMU, and newlib."