[RISCV] RISCVInstrInfoSFB.td shouldn't be included in Vendor extensions section. NFC.

RISCVInstrInfoSFB.td is for Short Forward Branch, not a kind of Vendor extension.

Author: tclin914

llvm/lib/Target/RISCV/RISCVInstrInfo.td

@@ -2153,14 +2153,16 @@ include "RISCVInstrInfoZc.td"
 include "RISCVInstrInfoZcmop.td"
 include "RISCVInstrInfoZclsd.td"
 
+// Short Forward Branch
+include "RISCVInstrInfoSFB.td"
+
 //===----------------------------------------------------------------------===//
 // Vendor extensions
 //===----------------------------------------------------------------------===//
 
 include "RISCVInstrInfoXVentana.td"
 include "RISCVInstrInfoXTHead.td"
 include "RISCVInstrInfoXSf.td"
-include "RISCVInstrInfoSFB.td"
 include "RISCVInstrInfoXCV.td"
 include "RISCVInstrInfoXwch.td"
 include "RISCVInstrInfoXqci.td"