Fixes error preventing from scanning PHBs with devices type1 (bridges): E3401: Aborting boot,  no current instance  no current instance
Fixes error preventing from scanning PHBs with devices type1 (bridges):
E3401: Aborting boot,  no current instance
 no current instance

The fix is taken from pci-device.fs.

agraf/SLOF,mdroth/SLOF,agraf/SLOF,k0da/SLOF,mdroth/SLOF,dgibson/SLOF,leilihh/SLOF,dgibson/SLOF,k0da/SLOF,open-power-host-os/slof,aik/SLOF,leilihh/SLOF,agraf/SLOF,mdroth/SLOF,open-power-host-os/slof,stefanberger/SLOF-tpm,agraf/SLOF,dgibson/SLOF,aik/SLOF,mdroth/SLOF,stefanberger/SLOF-tpm,leilihh/SLOF,qemu/SLOF,qemu/SLOF,qemu/SLOF,aik/SLOF,open-power-host-os/slof,stefanberger/SLOF-tpm,leilihh/SLOF,open-power-host-os/slof,dgibson/SLOF,k0da/SLOF,k0da/SLOF