[qca-nss-clients] Enabled PPTP client driver for coconut

Added a NSS module to create and terminate PPTP
sessions in NSS firmware when PPTP offload is enabled

Change-Id: Ib569cbcfb93f7056000a5807d1b2a86bee3937ab
Signed-off-by: Shyam Sunder <ssunde@codeaurora.org>
2 files changed