Add Yocto wolfProvider Ptests

[aidangarske]

Description

This PR adds Yocto-based CI testing for wolfProvider and dependent packages by booting prebuilt Yocto WIC images built from wics in QEMU and running package ptests in a yocto disk Images.

Dependencies needed

• Add cmd-test arguments  #324
• Add EC public key auto derivation from private key #338

What’s included

• .github/workflows/yocto-verify.yml

  • Reusable script that is called by other yocto specific ymls
  • Verifies and sets up the environment based on the configs and wic images

• QEMU-based Yocto test runner

  • New boot-qemu.sh script to boot WIC images and run commands via expect

• Shared Yocto verification helpers

  • Common logic to verify provider setup, FIPS / non-FIPS mode, and test results

• New Yocto CI workflows

  • wolfProvider self-tests
  • OpenSSL ptests
  • OpenSSH ptests
  • curl ptests
  • rsyslog ptests
  • librelp ptests
  • xmlsec1 ptests

• Test coverage matrix

  • FIPS and non-FIPS builds
  • replace-default and standalone provider modes