[OpenThread] Add missing SetThreadProvision implementation on RTOS

[gjc13]

Problem

SetThreadProvision is undefined for RTOS devices currently.

Summary of Changes

Add the definition of this method.

[github-actions]

Size increase report for "gn_nrf-example-build"

File	Section	File	VM

Full report output

BLOAT REPORT

Files found only in the build output:
    report.csv

[github-actions]

Size increase report for "gn_linux-example-build"

File	Section	File	VM

Full report output

BLOAT REPORT

Files found only in the build output:
    report.csv

[github-actions]

Size increase report for "nrf-example-build"

File	Section	File	VM

Full report output

BLOAT REPORT

Files found only in the build output:
    report.csv

Comparing ./master_artifact/chip-nrf52840-lock-example.out and ./pull_artifact/chip-nrf52840-lock-example.out:

sections,vmsize,filesize
.debug_info,0,745
.debug_str,0,441
.debug_line,0,207
.debug_loc,0,161
.debug_abbrev,0,40
.debug_frame,0,40
.debug_ranges,0,40
.debug_macro,0,15
.strtab,0,10
.debug_aranges,0,8
[Unmapped],0,5

[github-actions]

Size increase report for "linux-example-build"

File	Section	File	VM

Full report output

BLOAT REPORT

Files found only in the build output:
    report.csv

Comparing ./master_artifact/chip-standalone-demo.out and ./pull_artifact/chip-standalone-demo.out:

sections,vmsize,filesize

[github-actions]

Size increase report for "esp32-example-build"

File	Section	File	VM
chip-wifi-echo.elf	.flash.rodata	-8	-8
chip-wifi-echo.elf	.flash.text	-72	-72

Full report output

BLOAT REPORT

Files found only in the build output:
    report.csv

Comparing ./master_artifact/chip-wifi-echo.elf and ./pull_artifact/chip-wifi-echo.elf:

sections,vmsize,filesize
[Unmapped],0,8
.flash.rodata,-8,-8
.flash.text,-72,-72

[bukepo]

Suggested change

	strncpy((char *) newDataset.mNetworkName.m8, netInfo.ThreadNetworkName, sizeof(newDataset.mNetworkName.m8));
	strncpy((char *) newDataset.mNetworkName.m8, netInfo.ThreadNetworkName, sizeof(newDataset.mNetworkName.m8) - 1);

[bukepo]

Are these necessary?

Suggested change

	newDataset.mComponents.mIsActiveTimestampPresent = true;
	newDataset.mComponents.mIsPendingTimestampPresent = true;
	newDataset.mComponents.mIsActiveTimestampPresent = true;
	newDataset.mComponents.mIsPendingTimestampPresent = true;