CR-1221546, CR-1219147, CR-1219468

[AShivangi]

Problem solved by the commit

• CR-1221546 xrt-smi examine: should indicate missing flag argument
• CR-1219147 Space is missing b/w xrt-smi and [--help] in usage
• CR-1219468 xrt-smi examine -f JSON issues

Bug / issue (if any) fixed, which PR introduced the bug, how it was discovered

DSV testing

How problem was solved, alternative solutions (if any) and why they were rejected

• First CR was fixed by adding some DRC checks in examine as well as validate for consistency purposes
• Added space
• Similar to first CR. Made similar changes in validate for consistency

Risks (if any) associated the changes in the commit

N/A

What has been tested and how, request additional testing if necessary

Tested multiple commands on linux and windows

Documentation impact (if any)

N/A