Fixes the firmware issue for me with kernel 5.2.9 as suggested:

(ins)[asinha@ankur-pc  ~]$ uname -a
Linux ankur-pc 5.2.9-200.fc30.x86_64 #1 SMP Fri Aug 16 21:37:45 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

(ins)[asinha@ankur-pc  ~]$ rpm -q \*firmware\*
package *firmware* is not installed
(ins)[asinha@ankur-pc  ~]$ rpm -qa \*firmware\*
iwl4965-firmware-228.61.2.24-101.fc30.noarch
iwl6050-firmware-41.28.5.1-101.fc30.noarch
iwl100-firmware-39.31.5.1-101.fc30.noarch
iwl3945-firmware-15.32.2.9-101.fc30.noarch
iwl5150-firmware-8.24.2.2-101.fc30.noarch
iwl6000g2b-firmware-18.168.6.1-101.fc30.noarch
iwl1000-firmware-39.31.5.1-101.fc30.noarch
libertas-usb8388-firmware-20190815-101.fc30.noarch
iwl135-firmware-18.168.6.1-101.fc30.noarch
iwl3160-firmware-25.30.13.0-101.fc30.noarch
iwl5000-firmware-8.83.5.1_1-101.fc30.noarch
atmel-firmware-1.3-20.fc30.noarch
iwl6000g2a-firmware-18.168.6.1-101.fc30.noarch
linux-firmware-whence-20190815-101.fc30.noarch
iwl7260-firmware-25.30.13.0-101.fc30.noarch
ipw2200-firmware-3.1-17.fc30.noarch
iwl105-firmware-18.168.6.1-101.fc30.noarch
iwl2030-firmware-18.168.6.1-101.fc30.noarch
ipw2100-firmware-1.3-24.fc30.noarch
iwl6000-firmware-9.221.4.1-101.fc30.noarch
zd1211-firmware-1.5-4.fc30.noarch
linux-firmware-20190815-101.fc30.noarch
iwl2000-firmware-18.168.6.1-101.fc30.noarch

Fixed issue with Intel Wi-Fi network adapters.

Tested on both an x1c 4th gen (unaffected by attached BZ) and an x1c 7th gen (affected by BZ, workaround effective), works for us (in conjunction with kernel upgrade).