Merge branch 'silicon-errata' into advanced

Implements the recommended workarounds for numerous silicon errata,
reducing power consumption and preventing freezes and hard faults.

Tested-by: Alex Maestas <git@se30.xyz>
Tested-by: Matheus Afonso Martins Moreira <matheus.a.m.moreira@gmail.com>
Tested-on-hardware-by: Alex Maestas <git@se30.xyz>
Tested-on-hardware-by: Matheus Afonso Martins Moreira <matheus.a.m.moreira@gmail.com>
Reviewed-by: Wesley Aptekar-Cassels <me@wesleyac.com>
Reviewed-by: Matheus Afonso Martins Moreira <matheus.a.m.moreira@gmail.com>
Signed-off-by: Matheus Afonso Martins Moreira <matheus.a.m.moreira@gmail.com>
GitHub-Pull-Request: https://github.com/joeycastillo/Sensor-Watch/pull/340
GitHub-Related-Issue: https://github.com/joeycastillo/Sensor-Watch/issues/361
GitHub-Related-Issue: https://github.com/joeycastillo/Sensor-Watch/issues/359
Reference: https://ww1.microchip.com/downloads/aemDocuments/documents/MCU32/ProductDocuments/Errata/SAM-L22-Family-Silicon-Errata-and-Data-Sheet-Clarification-DS80000782.pdf