Android: Move setting DEFAULT_DRIVER_DIR to shared location

Move the defining of DEFAULT_DRIVER_DIR path to a common location so both
EGL and GBM can use it.

Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
2 files changed