Upstream patch https://github.com/IntelPython/numba/pull/98

[reazulhoque]

Feature request

• Create a ticket in Numba repo to track this patch with dppy tag.
• Lower extension will be a part of the target context and in lowerer the “getattr” will be used to check if an extension node can be lowered by the specific target.

[reazulhoque]

Upstream PR was created: numba#6880.
PR reflecting the same changes was also created for Intel Numba: #215
PR containing changes to accommodate the above changes was created in Numba-dppy: IntelPython/numba-dpex#301

[reazulhoque]

numba#6880 was merged.
#215 and IntelPython/numba-dpex#301 and was updated accordingly.