arm64/sysreg: Add missing system instruction definitions for FGT

Add the definitions of missing system instructions that are
trappable by fine grain traps. The definitions are based on
DDI0602 2023-09.

Signed-off-by: Fuad Tabba <tabba@google.com>
Link: https://lore.kernel.org/r/20231214100158.2305400-5-tabba@google.com


Signed-off-by: Will Deacon <will@kernel.org>