TF-M Core: Unify register clear in naked functions
Open, Needs TriagePublic

Description

tfm_core_sfn_request and priv_irq_handler_main in secure_fw/core/arch/tfm_arch_v8m_main.c uses different instructions for clearing registers than in secure_fw\core\arch\tfm_arch_v8m_base.c. Unify the two implementations.