Add NOTICE, MODULE_LICENSE_APACHE2 files.

Per instructions from Khasim Mohammed, Linaro's Technical Lead for
Android Engineering, and also:

http://android.git.linaro.org/gitweb/device/linaro/pandaboard.git/blob/db9d676ac08674e9f79f66b4c2d421cb07bf9db9:/device.mk
2 files changed