Comment # 7 on bug 1187454 from Ulrich Windl

As the wlan still wouldn't work with kernel 5.3.18-59.10-default, I reverted to
the standard firmware. Then after reloading the module, wlan is available
again.
Jul 01 15:51:35 pc kernel: iwlwifi 0000:03:00.0: api flags index 2 larger than
supported by driver
Jul 01 15:51:35 pc kernel: iwlwifi 0000:03:00.0: TLV_FW_FSEQ_VERSION: FSEQ
Version: 89.3.35.22
Jul 01 15:51:35 pc kernel: iwlwifi 0000:03:00.0: Found debug destination:
EXTERNAL_DRAM
Jul 01 15:51:35 pc kernel: iwlwifi 0000:03:00.0: Found debug configuration: 0
Jul 01 15:51:35 pc kernel: iwlwifi 0000:03:00.0: loaded firmware version
55.d9698065.0 cc-a0-55.ucode op_mode iwlmvm
Jul 01 15:51:35 pc kernel: iwlwifi 0000:03:00.0: Detected Intel(R) Wi-Fi 6
AX200 160MHz, REV=0x340
Jul 01 15:51:35 pc kernel: iwlwifi 0000:03:00.0: base HW address:
c0:3c:59:0a:80:7a

Here the "cc-a0-55.ucode" firmware was loaded.