defconfig: enable spss-utils driver for sdm845

Enable Secure Processor Subsystem (SPSS) Utilities driver.
This driver selects the firmware file for SPSS PIL.

Change-Id: I4e2cdd390246e35c895b488501ace90a7fdf344f
Signed-off-by: Reut Zysman <rzysman@codeaurora.org>