defconfig: lahaina-gki: Enable QTI Tri-LED driver

The QTI Tri-driver enables the configuration of the output of LED
channels in the TRI_LED and HR_LED peripherals found in QTI PMICs.

Change-Id: I4ecf94b0dc9e4b53d81c8c9d7328d039504f8c66
Signed-off-by: Guru Das Srinagesh <gurus@codeaurora.org>