GCC 4.9.3 for sparc64 defines __sparc_v9__, not __sparc64__ nor
__sparcv9 (as reported by `gcc -dM -E - < /dev/null | egrep 'sparc|arch'`).
This prevents LG_QUANTUM from being properly defined. Adding this new
value solves the issue.
Fixes:
http://autobuild.buildroot.net/results/95d/95df560b13be7abbce6aeeb3ed0f0814d597bd08/
Signed-off-by: Eric Le Bihan <eric.le.bihan.dev@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>