defconfig: enable page owner on lito perf

Enable the page owner config on lito perf. Note that
this does not enable the feature as such. To enable
the feature page_owner=on should be passed via kernel
command line.

Change-Id: I4524fc102ff1f2f77380c8a7fabad33d19eecf3a
Signed-off-by: Vinayak Menon <vinmenon@codeaurora.org>