Remove maxPassCount from NVPW_RawMetricsConfig_BeginPassGroup_Params Initialization

[Treece-Burgess]

Pull Request Description

With Cuda versions 12.4.1 and 12.5.1 upon running ./papi_native_avail, events that had multiple passes ( > 1) would not output with the proper value, instead showing Numpass=0. Example from an A100:

--------------------------------------------------------------------------------
| cuda:::gpu__compute_memory_access_throughput.avg.pct_of_peak_sustained_elapsed    |
|            Compute Memory Pipeline : throughput of internal activity within c|
|            aches and DRAM. Units=(percent) Numpass=0                         |       
|     :device=0                                                                |       
|            Mandatory device qualifier [0]                                    |       
--------------------------------------------------------------------------------

This occurred from the function calculate_num_passes where maxPassCount was set to 1 in NVPW_RawMetricsConfig_BeginPassGroup_Params. This PR removes maxPassCount from calculate_num_passes and adds further documentation on the behavior of maxPassCount.

Note: I was able to recreate this behavior with the simpleQuery.cpp script from NVIDIA using Cuda 12.5.1.

Output for papi_native_avail with maxPassCount removed from calculate_num_passes:

Event from the A100:

--------------------------------------------------------------------------------
| cuda:::gpu__compute_memory_access_throughput.avg.pct_of_peak_sustained_elapsed    |
|            Compute Memory Pipeline : throughput of internal activity within c|
|            aches and DRAM. Units=(percent) Numpass=4 (multi-pass not supporte|
|            d)                                                                |       
|     :device=0                                                                |       
|            Mandatory device qualifier [0]                                    |       
--------------------------------------------------------------------------------

Author Checklist

• Description
  Why this PR exists. Reference all relevant information, including background, issues, test failures, etc
• Commits
  Commits are self contained and only do one thing
  Commits have a header of the form: module: short description
  Commits have a body (whenever relevant) containing a detailed description of the addressed problem and its solution
• Tests
  The PR needs to pass all the tests