Here is the list of BSP for x86 architectures: https://bsp.windriver.com/index.php?bsp&on=list&type=architecture&value=x86/Pentium/IA-32/IA-64. I don’t know which version is the one you have to use. I'd suggest you to ask in the Wind River website or to post this question in their community. I hope you find this helpful.
Regards,
JPMontero_Intel
