KVM: selftests: Fix spelling mistake "perrmited" -> "permitted"

There is a spelling mistake in a test report message. Fix it.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20230414080809.1678603-1-colin.i.king@gmail.com


Signed-off-by: Sean Christopherson <seanjc@google.com>