defconfig: Update debug and perf defconfigs for kona

Update the debug and perf defconfig option for kona target.

Change-Id: I391b61b3f2d9fb261822908e0289927589943738
Signed-off-by: Rishabh Bhatnagar <rishabhb@codeaurora.org>
Signed-off-by: Jeevan Shriram <jshriram@codeaurora.org>