Use the 'master' branch to download toolchain sources by default.

The 'eclair' branch cannot be built with the current version of build-toolchain.sh
(More precisely, gdbserver link fails without a patch that is in master but not eclair).

Change-Id: Ib7d4f058d88afbfce6fb22fe1c5b6f08925c9ae3
1 file changed