Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/NXP Semiconductors/MIMXRT1064/SystemControl/ID_MMFR2#0x0
WFI_STALL=WFI_STALL_0
Memory Model Feature Register 2
Indicates the support for Wait For Interrupt (WFI) stalling
0 (WFI_STALL_0): Not supported
1 (WFI_STALL_1): Support for WFI stalling
Copyright 2016-2019 NXP All rights reserved.
SPDX-License-Identifier: BSD-3-Clause
https://github.com/cmsis-svd/cmsis-svd-data