softmmu_ss.add(when: 'CONFIG_IMX', if_true: files('chipidea.c'))
softmmu_ss.add(when: 'CONFIG_IMX_USBPHY', if_true: files('imx-usb-phy.c'))
softmmu_ss.add(when: 'CONFIG_VT82C686', if_true: files('vt82c686-uhci-pci.c'))
-specific_ss.add(when: 'CONFIG_XLNX_VERSAL', if_true: files('xlnx-versal-usb2-ctrl-regs.c'))
-specific_ss.add(when: 'CONFIG_XLNX_USB_SUBSYS', if_true: files('xlnx-usb-subsystem.c'))
+softmmu_ss.add(when: 'CONFIG_XLNX_VERSAL', if_true: files('xlnx-versal-usb2-ctrl-regs.c'))
+softmmu_ss.add(when: 'CONFIG_XLNX_USB_SUBSYS', if_true: files('xlnx-usb-subsystem.c'))
# emulated usb devices
softmmu_ss.add(when: 'CONFIG_USB', if_true: files('dev-hub.c'))