Yes, the following 3rd party QSPI flash devices can be used with Intel® Stratix® 10 devices for Active Serial configuration and can be enabled in Intel Quartus® Prime Pro software version 18.0.
Micron MT25Q series
MT25QU256 (as replacement for EPCQL256)
MT25QU512 (as replacement for EPCQL512)
MT25QU01G (as replacement for EPCQL1024)
To enable MT25Q device support in the Intel Quartus Prime software, add the following variable into a quartus.ini file within the project directory.