Added a line to the documentation mentioning that we can now support ASID2.

Changes in v4:
- Patch 3:
  - Added mention of ASID2 to docs/system/arm/emulation.rst.

Jim MacArthur (4):
  target/arm: Enable ID_AA64MMFR4_EL1 register.
  target/arm: Allow writes to FNG1, FNG0, A2
  target/arm/tcg/cpu64.c: Enable ASID2 for cpu_max
  tests: Add test for ASID2 and write/read of feature bits

 docs/system/arm/emulation.rst    |  1 +
 target/arm/cpu-features.h        |  7 +++
 target/arm/cpu-sysregs.h.inc     |  1 +
 target/arm/helper.c              | 10 ++++-
 target/arm/tcg/cpu64.c           |  4 ++
 tests/tcg/aarch64/system/asid2.c | 75 ++++++++++++++++++++++++++++++++
 6 files changed, 96 insertions(+), 2 deletions(-)
 create mode 100644 tests/tcg/aarch64/system/asid2.c

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2.43.0