configure: Replace '--with-crosstools' with multiple options:
--with-kernel-toolchain-prefix Specify crosscompile toolchain prefix for kernel objects
--with-elf-toolchain-prefix Specify crosscompile toolchain prefix to wrap for AROS objects
--with-aros-toolchain-prefix Specify prebuilt AROS toolchain
--with-aros-toolchain-install Where to install cross tools binaries
Signed-off-by: Jason S. McMullan <jason.mcmullan@gmail.com>
git-svn-id: https://svn.aros.org/svn/aros/trunk/AROS@44809 fb15a70f-31f2-0310-bbcc-cdcc74a49acc