defconfig: msm: Enable energy aware scheduler for qcs405 target

Enable EAS scheduler for qcs405 target and also enable schedutil
governor for cpu frequency scaling for both 64-bit and 32-bit.

Change-Id: I0a393123253257200ec0e9c0f97dd190c884a8b1
Signed-off-by: Lingutla Chandrasekhar <clingutla@codeaurora.org>