Compiler removal of buffer clearing in sli_cryptoacc_transparent_key_agreement in Silicon Labs Gecko Platform SDK v4.2.1 and earlier results in key material duplication to RAM. Referenceshttps://github.com/SiliconLabs/gecko_sdkhttps://community.silabs.com/sfc/servlet.shepherd/document/download/0698Y00000U19lGQAR?operationContext=S1
