Core(M): Remove usage of __builtin_arm_[gs]et_fpscr in GCC >= 7.2 due to shortcomings.
Core(M): Remove usage of __builtin_arm_[gs]et_fpscr in GCC >= 7.2 due to shortcomings.

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