The ARMV7-A toolchains are capable to compile binaries for ARMv8-A CPU in AArch32 execution state. This adds the BR2_ARM_CPU_ARMV8A option in the 'conditions' to allow ARMV8-A CPU such as Cortex-A53 or Cortex-A72 to use ARMV7-A toolchains. Signed-off-by: Gaël PORTAY <gael.portay+rtone@gmail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>