Support dynamic network type address

[yussufsh]

1. Removed deprecated attributes:

• Addresses->Networks
• IP->IPAddress

2. Additional check for dynamic network address where IPAddress is " ".

Signed-off-by: Yussuf Shaikh yussuf.shaikh@ibm.com

Community Note

• Please vote on this pull request by adding a 👍 reaction to the original pull request comment to help the community and maintainers prioritize this request
• Please do not leave "+1" or other comments that do not add relevant new information or questions, they generate extra noise for pull request followers and do not help prioritize the request

Relates OR Closes #0000

Output from acceptance testing:

=== RUN   TestAccIBMPIInstanceIPDataSource_basic
--- PASS: TestAccIBMPIInstanceIPDataSource_basic (82.78s)
PASS

[yussufsh]

@hkantare please help with review. Need this in the next release.