In fact, a 5 second search found this on the Segger support pages:
https://wiki.segger.com/i.MXRT1050
Hi Jing,
I am upgraded from MCUXpresso v11.2.1 to v11.3.0, so I know to modify JLinkDevices.xml for QSPI flash first.
After install MCUXpresso v11.3.0, I can not find file NXP_iMXRT105x_QSPI.elf.
Can you guide me where it is?