selftests: sparc64: char: Selftest for privileged ADI driver
Add a selftest for the sparc64 privileged ADI driver. These
tests verify the read(), pread(), write(), pwrite(), and seek()
functionality of the driver. The tests also report simple
performance statistics:
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com> Reviewed-by: Allen Pais <allen.pais@oracle.com> Reviewed-by: Shuah Khan (Samsung OSG) <shuah@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>