CONFIG_STB03xxx is not available for thedefaultarchitecture x86.
Result is shown for architecture powerpc

CONFIG_STB03xxx (not configurable)

configname: CONFIG_STB03xxx

Linux Kernel Configuration
└─>STB03xxx
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  

is selected by
CONFIG_USB_OHCI_HCD_PCI