IRTK Learning Path README.md Max 2-tile env var

[MichaelRCarroll-Intel]

Existing Sample Changes

Description

Update learning path readme to notify users of 2-tile environment variable need

Fixes Issue#

Email discussion

External Dependencies

No change

Type of change

Please delete options that are not relevant. Add a 'X' to the one that is applicable.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Implement fixes for ONSAM Jiras

How Has This Been Tested?

Jimmy tested, reviewed README.md in webbrowser

• Command Line
• oneapi-cli
• Visual Studio
• Eclipse IDE
• VSCode
• When compiling the compliler flag "-Wall -Wformat-security -Werror=format-security" was used

Delete this line and everything below if this is not a PR for a new code sample

Delete this line and all above it if this PR is for a new code sample

Adding a New Sample(s)

Description

Please include a description of the sample

Checklist

Administrative

• Review sample design with the appropriate Domain Expert:
• If you have any new dependencies/binaries, inform the oneAPI Code Samples Project Manager

Code Development

• Implement coding guidelines and ensure code quality. see wiki for details
• Adhere to readme template
• Enforce format via clang-format config file
• Adhere to sample.json specification. https://github.com/oneapi-src/oneAPI-samples/wiki/sample-json-specification
• Ensure/create CI test configurations for sample (ciTests field) https://github.com/oneapi-src/oneAPI-samples/wiki/sample-json-ci-test-object
• Run jsonlint on sample.json to verify json syntax. www.jsonlint.com

Security and Legal

• OSPDT Approval (see Project Manager for assistance)
• Compile using the following compiler flags and fix any warnings, the falgs are: "/Wall -Wformat-security -Werror=format-security"
• Bandit Scans (Python only)
• Virus scan

Review

• Review DPC++ code with Paul Peterseon. (GitHub User: pmpeter1)
• Review readme with Tom Lenth(@tomlenth) and/or Project Manager
• Tested using Dev Cloud when applicable