target/arm: Implement the SETG* instructions

The FEAT_MOPS SETG* instructions are very similar to the SET*
instructions, but as well as setting memory contents they also
set the MTE tags. They are architecturally required to operate
on tag-granule aligned regions only.

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