Add braces around SYS_DEV.val array initializers

[LegalizeAdulthood]

This eliminates thousands of lines of warnings from gcc on linux

[markpizz]

This proposed change is yet another example of how the current CMake build mechanisms is deviating from functionality which works without producing any warnings when building on Linux with the makefile. Rather than changing code to accommodate the CMake configuration, this problem can be solved by changing the CMake build configuration.

[LegalizeAdulthood]

Go away. This has nothing to do with CMake.