build_package.sh: Dump compiler version directly before calling make

This information will go into the build.log and is useful bit of
statistics about the build, especially that we have a situation that
one toolchain is "substituted" for another (see e.g. 013f633fd180).

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
Change-Id: Ia7d67253dcab77257fb58fcb2f55441d85cf99c1
1 file changed