defconfig: msm: Enable Hw perf events for msm8909w target in 1gb variant

Enabling hardware perf event support for 8909w target in 1 gb variant.

Change-Id: Icf1bf0777587d2f2f9b6a98dc25d633115f4a5bf
Signed-off-by: Shadab Naseem <snaseem@codeaurora.org>