uio: uio_pci_generic: add missing memory mappings

[firas ashkar]

Hi,
pls find attached a trivial but necessary patch, this change is based on [drivers/uio/uio_pdrv_genirq.c], 
the patch was tested on following hardware: MiniPCIE AltaData ARNIC-429 module on imx8qm-apalis-ixora-v1.2

-- 
Firas Ashkar
Developpeur Système Embarqué

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