Hapi-fhir ppc64le integration tests activation

[Megha-Megha13]

Description

This pull request is to provide ppc64le support to camel-fhir component.
Tested all changes on a PowerPC machine. Log is attached below.
camel_fhir_power_logs.txt

Target

• I checked that the commit is targeting the correct branch (Camel 4 uses the main branch)

Tracking

• If this is a large change, bug fix, or code improvement, I checked there is a JIRA issue filed for the change (usually before you start working on it).

Apache Camel coding standards and style

• I checked that each commit in the pull request has a meaningful subject line and body.

• I have run mvn clean install -DskipTests locally from root folder and I have committed all auto-generated changes.

AI-assisted contributions

• If this PR includes AI-generated code, commits have proper co-authorship attribution (e.g., Co-authored-by trailers) and the PR description identifies the AI tool used.