Cannot load ath10k_pci in 5.3.9

Hi,

I found an issue with not working 5GHz Wi-Fi on Turris MOX in 5.3.9. It seems it cannot load the ath10k_pci module.

[   11.998833] ath10k 4.19 driver, optimized for CT firmware, probing pci device: 0x3c.
[   12.008291] ath10k_pci 0000:00:00.0: enabling device (0000 -> 0002)
[   12.014923] ath10k_pci 0000:00:00.0: pci irq msi oper_irq_mode 2 irq_mode 0 reset_mode 0
[   12.247935] ath10k_pci 0000:00:00.0: Direct firmware load for ath10k/fwcfg-pci-0000:00:00.0.txt failed with error -2
[   12.258567] ath10k_pci 0000:00:00.0: Falling back to user helper
[   13.098576] firmware ath10k!fwcfg-pci-0000:00:00.0.txt: firmware_loading_store: map pages failed
[   13.107947] ath10k_pci 0000:00:00.0: Direct firmware load for ath10k/pre-cal-pci-0000:00:00.0.bin failed with error -2
[   13.118935] ath10k_pci 0000:00:00.0: Falling back to user helper
[   13.140448] firmware ath10k!pre-cal-pci-0000:00:00.0.bin: firmware_loading_store: map pages failed
[   13.149881] ath10k_pci 0000:00:00.0: Direct firmware load for ath10k/cal-pci-0000:00:00.0.bin failed with error -2
[   13.160400] ath10k_pci 0000:00:00.0: Falling back to user helper
[   13.182203] firmware ath10k!cal-pci-0000:00:00.0.bin: firmware_loading_store: map pages failed
[   13.191534] ath10k_pci 0000:00:00.0: Direct firmware load for ath10k/QCA988X/hw2.0/ct-firmware-5.bin failed with error -2
[   13.202867] ath10k_pci 0000:00:00.0: Falling back to user helper

turris.log

Log attached.

BR/T