This replaces the KASAN instrumentation with generic instrumentation,
implicitly adding KCSAN instrumentation support.

For KASAN no functional change is intended.
Suggested-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NMarco Elver <elver@google.com>
Signed-off-by: NPaul E. McKenney <paulmck@kernel.org>
Signed-off-by: NIngo Molnar <mingo@kernel.org>