linux-phytec-ti

riscv: audit: add audit hook in do_syscall_trace_enter/exit()

This patch adds auditing functions on entry to and exit from every system
call invocation.

Signed-off-by: David Abdurachmanov <david.abdurachmanov@gmail.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>