Fix u-boot build for gcc-5.1

Test: TOOLCHAIN=gcc-5.1 make u-boot
Change-Id: Ic3bdc7b9ffa431ae08d49cc4fb01d9d94a5ab6cf
1 file changed
tree: 3f9f7184c92321cfbaa79bc058485c104faa9639
  1. aarch64/
  2. crosvm/
  3. cuttlefish/
  4. kvm-unit-tests/
  5. common.inc
  6. Makefile