Issue #164: Added workaround for missing __CLZ intrinsic on ARMv6 in IAR compilers prior 8.
Issue #164: Added workaround for missing __CLZ intrinsic on ARMv6 in IAR compilers prior 8.

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