Allow CONFIG_STACKTRACE to be enabled by itself.
Allow CONFIG_STACKTRACE to be enabled by itself.

This allows us to get a kernel stacktrace for a thread though /proc.
Also enable it by default.

Change-Id: If8c21cd02feaf9863f4841ace524fa30c7328d49
Signed-off-by: Arve Hjønnevåg <203686835f49d1750fcbb70065cda5c503139a61@android.com>

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