Add register definitions for privilege spec 1.12 and debug spec 1.0.0
Add register definitions for privilege spec 1.12 and debug spec 1.0.0

Signed-off-by: Henrik Fegran <f335f5979dadd7b24b7efc6232af57258e7f37de@silabs.com>

google/riscv-dv,google/riscv-dv,google/riscv-dv