syscall_user_dispatch: Add PR_SYS_DISPATCH_INCLUSIVE_ON

There are two possible scenarios for syscall filtering:
 - having a trusted/allowed range of PCs, and intercepting everything else
 - or the opposite: a single untrusted/intercepted range and allowing
   everything else (this is relevant for any kind of sandboxing scenario,
   or monitoring behavior of a single library)

The current API only allows the former use case due to allowed
range wrap-around check. Add PR_SYS_DISPATCH_INCLUSIVE_ON that
enables the second use case.

Add PR_SYS_DISPATCH_EXCLUSIVE_ON alias for PR_SYS_DISPATCH_ON
to make it clear how it's different from the new
PR_SYS_DISPATCH_INCLUSIVE_ON.

Signed-off-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/97947cc8e205ff49675826d7b0327ef2e2c66eea.1747839857.git.dvyukov@google.com

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