Merge tag 'pull-hex-20240121' of https://github.com/quic/qemu into staging

Coverity fix, cross toolchain update, switch to decodetree

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# gpg: Signature made Mon 22 Jan 2024 06:03:40 GMT
# gpg:                using RSA key 3D66AAE474594824C88CE0F81A54AFB8E5646C32
# gpg: Good signature from "Brian Cain <bcain@kernel.org>" [full]
# gpg:                 aka "Brian Cain (QuIC) <bcain@quicinc.com>" [full]
# gpg:                 aka "Brian Cain (CAF) <bcain@codeaurora.org>" [full]
# gpg:                 aka "bcain" [full]
# Primary key fingerprint: 6350 20F9 67A7 7164 79EF  49E0 175C 464E 541B 6D47
#      Subkey fingerprint: 3D66 AAE4 7459 4824 C88C  E0F8 1A54 AFB8 E564 6C32

* tag 'pull-hex-20240121' of https://github.com/quic/qemu:
  target/hexagon: reduce scope of def_regnum, remove dead assignment
  Hexagon (target/hexagon) Remove old dectree.py
  Hexagon (target/hexagon) Use QEMU decodetree (16-bit instructions)
  Hexagon (target/hexagon) Use QEMU decodetree (32-bit instructions)
  Hexagon (target/hexagon) Remove dead functions from hex_common.py
  Hexagon (target/hexagon) Remove unused WRITES_PRED_REG attribute
  Hexagon (target/hexagon) Make generators object oriented - gen_analyze_funcs
  Hexagon (target/hexagon) Make generators object oriented - gen_op_regs
  Hexagon (target/hexagon) Make generators object oriented - gen_idef_parser_funcs
  Hexagon (target/hexagon) Make generators object oriented - gen_helper_funcs
  Hexagon (target/hexagon) Make generators object oriented - gen_helper_protos
  Hexagon (target/hexagon) Make generators object oriented - gen_tcg_funcs
  Hexagon (target/hexagon) Clean up handling of modifier registers
  Hexagon (target/hexagon) Fix shadow variable when idef-parser is off
  tests/docker: Hexagon toolchain update

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>