am b3529761: am 2d4a27ee: am d707b5aa: Merge "AArch64: Set TARGET_2ND_CPU_VARIANT for Arm64 to cortex-a15"

* commit 'b3529761af24d19cd8cefa2c93f91920f0dfb28f':
  AArch64: Set TARGET_2ND_CPU_VARIANT for Arm64 to cortex-a15