arm64: defconfig: Set qrtr wakeup for lito

Set the wakeup timeout for qrtr to 500 ms for lito. This change
will help ensure the TUI client thread gets a chance to run before
the system is suspended again.

Change-Id: I8c8831995bf58fc39a3e8c107d0fd761745bbfed
Signed-off-by: Sarannya S <sarannya@codeaurora.org>