Merge branch 'for-next/smccc' into for-next/core

Add support for versions v1.2 and 1.3 of the SMC calling convention.

* for-next/smccc:
  arm64: smccc: Support SMCCC v1.3 SVE register saving hint
  arm64: smccc: Add support for SMCCCv1.2 extended input/output registers