There is a new raise port limit patch for use with Rehabman's USBInjectAll.kext for macOS 10.12 Sierra. Apply it in Clover config.plist under as follows under KernelAndKextPatches/KextsToPatch
Comment change 15 port limit to 20 in XHCI kext (9-series) 10.12
Find 83BD74FF FFFF10
Name AppleUSBXHCIPCI
Replace 83BD74FF FFFF16
Comment change 15 port limit to 26 in XHCI kext (100-series) 10.12
Find 83BD74FF FFFF10
Name AppleUSBXHCIPCI
Replace...
USB - New Raise Port Limit Patch for macOS 10.12 Sierra
Comment change 15 port limit to 20 in XHCI kext (9-series) 10.12
Find 83BD74FF FFFF10
Name AppleUSBXHCIPCI
Replace 83BD74FF FFFF16
Comment change 15 port limit to 26 in XHCI kext (100-series) 10.12
Find 83BD74FF FFFF10
Name AppleUSBXHCIPCI
Replace...
USB - New Raise Port Limit Patch for macOS 10.12 Sierra