[XDP] fixes to recent VE2 profiling

[pgschuey]

Problem solved by the commit

• List of supported profile settings was missing tile_based_microcontroller_metrics
• One last 8b -> 16b API change was needed
• Support check for uC sets was incorrect
• uC counter offset was missing
• MDM utility functions were not accessible to client devices
• MDM counter read was missing sample

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

• None

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

• Added tile_based_microcontroller_metrics to supported list
• Use 16b API on non-client builds
• Corrected uC set check and added test set
• Added uC counter offset
• Moved MDM utility functions to util file
• Added write of sample control bit to PCCMDR

Risks (if any) associated the changes in the commit

• None

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

• Tested on VE2 simulation

Documentation impact (if any)

• Update list of supported profile settings in xrt.ini (VE2 only)