defconfig: 8916: Enable msm remote spinlock driver

The remote-spinlock driver move to the drivers/hwspinlock
location to support multiplatform and compile under feature flag.

Add msm remote spinlock feature flag to enable the driver.

Change-Id: I37c7a2cbeb5c14660b10153ddc4a9c5d3c5269be
Signed-off-by: Arun Kumar Neelakantam <aneela@codeaurora.org>