nx2: semaphore releases latch the acquires they satisfy

Switch 2 channels that wait for an exact semaphore value poll on the console
and see every release. Eden resumes a waiting channel only between command
lists and writes releases when fences signal, often several back to back, so
an acquire-equal could miss its value and wait forever. Title 4's 3D queue
ticks a counter that two other queues wait on value by value; under the
loading after the post-customization save one of them missed a tick and the
game froze (channel 4 waiting for 0x5293 with the counter at 0x5310).

Pending acquires now register with Nx2SemaphoreWaiters before fences run,
and every query-cache payload write and QMD add/max release latches the
waiters it meets at the moment it is written.

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