nv50: [RFC] Add support for PCOUNTER performance counters
nv50: Add nv50_pcounter_pm_query_get_cfg() for NVA3
nv50: Configure and enable PCOUNTER performance counters in begin_query()

nv50: Add nv50_pcounter_pm_query_get_offset()

nv50: Remove useless debug messages in nv50_pcounter_pm_query_read_data()

add push_space