Fix sequential builds

cannot copy source onto itself will fail build every time
net/bluetooth/hci_conn.c: gcc 4.8.x fixup

Signed-off-by: Paul Reioux <reioux@gmail.com>
drivers/cpufreq/cpufreq_interactive.c: GCC 4.9.x fix up

Signed-off-by: Paul Reioux <reioux@gmail.com>

Conflicts:

	drivers/cpufreq/cpufreq_interactive.c