defconfig: Enable TUN driver for 8x26
defconfig: Enable TUN driver for 8x26

TUN driver is used to route IP packets. As the Bluedroid
PAN requires TUN driver to route IP packet. So Enabling TUN
driver for msm8x26.

Change-Id: Idda13ff170306088d8ef134aed5002ea364dd676
CRs-Fixed: 532488
Signed-off-by: Nitin Shivpure <39aaec7ae017939570355fca2abc74e867de54d2@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas