default.xml: Add arm-eabi-4.8 toolchains

Currently, many devices require the use of the arm-eabi-4.8 toolchain in
order to boot.

Change-Id: I624e65a54f4ba35779bf519572b2381f09ac12b6
1 file changed
tree: a5e923384d0ea918e2af601bd383a0d782d98af5
  1. snippets/
  2. default.xml
  3. README.mkdn