In compass building script, the curl command gets file as
an incorrectly format from URL which finally results in
the compass building failure.
In this patch, the script file will be download by wget.
Then it will be run as a scripts by bash.
Signed-off-by: Jingzhao <Jingzhao.Ni@arm.com>
Change-Id: I8bd49cb818a3c67a7e752a6a1e5521dc570e57b9