CoreValidation: Added -Wpedantic to GCC compiler options.
CoreValidation: Added -Wpedantic to GCC compiler options.

Change-Id: I8bda8f335837706f25ed11cb596d2e9d7735ee2e

JonatanAntoni/CMSIS_5,JonatanAntoni/CMSIS_5,JonatanAntoni/CMSIS_5,ARM-software/CMSIS_5,ARM-software/CMSIS_5,JonatanAntoni/CMSIS_5,JonatanAntoni/CMSIS_5,ARM-software/CMSIS_5,JonatanAntoni/CMSIS_5,ARM-software/CMSIS_5,ARM-software/CMSIS_5,ARM-software/CMSIS_5