[PATCH] x86: skip it if Fam 10h only handle bus 0

need to apply after x86_64: check MSR to get MMCONFIG for AMD Family 10h Opteron v3 some BIOS only let AMD fam 10h handle bus0, and nvidia mcp55/ck804 to handle other buses. at that case MCFG will cover all over them. this patch will skip it so to use MCFG later. Signed-off-by: Yinghai

[PATCH] x86: skip it if Fam 10h only handle bus 0

need to apply after x86_64: check MSR to get MMCONFIG for AMD Family 10h Opteron v3 some BIOS only let AMD fam 10h handle bus0, and nvidia mcp55/ck804 to handle other buses. at that case MCFG will cover all over them. this patch will skip it so to use MCFG later. Signed-off-by: Yinghai