Expanded intel_device_info output

[oleksandr-pavlyk]

Added "free_memory" for Free Global Memory on the device in bytes, "memory_clock_rate" for Maximum Memory Clock Rate in MHz, and "memory_bus_width" for bus width in bits.

Additions come from https://github.com/intel/llvm/blob/sycl/sycl/doc/extensions/supported/sycl_ext_intel_device_info.md

• Have you provided a meaningful PR description?
• Have you added a test, reproducer or referred to an issue with a reproducer?
• Have you tested your changes locally for CPU and GPU devices?
• Have you made sure that new changes do not introduce compiler warnings?
• Have you checked performance impact of proposed changes?
• If this PR is a work in progress, are you opening the PR as a draft?

[github-actions]

Deleted rendered PR docs from intelpython.github.com/dpctl, latest should be updated shortly. 🤞

[coveralls]

coverage: 88.136% (-0.08%) from 88.218%
when pulling 94e3661 on add-free-memory-intel-descriptor
into aaf444e on master.

[github-actions]

Array API standard conformance tests for dpctl=0.17.0dev0=py310h15de555_312 ran successfully.
Passed: 870
Failed: 8
Skipped: 92

[github-actions]

Array API standard conformance tests for dpctl=0.17.0dev0=py310h15de555_313 ran successfully.
Passed: 870
Failed: 8
Skipped: 92

[ndgrigorian]

Since we verified this worked on PVC with ZES_ENABLE_SYSMAN=1, it may be a good idea to document that this must be set to get the ext_intel_free_memory descriptor.

[github-actions]

Array API standard conformance tests for dpctl=0.17.0dev0=py310h15de555_315 ran successfully.
Passed: 870
Failed: 8
Skipped: 92