[RISCV] Order the RISCVInstrInfo*.td includes for standard extensions into logical groups. NFC

[craig.topper]

Summary

There are some ordering dependency between these files.

-F must be included before D, Zfh, and Zfa. I recently suggested Zfbfmin
should be after Zfh.
-V must be before Zvk.
-Zc must be after Zb since Zbb instructions can be compressed.

So I've grouped all the scalar FP together. The vector together.
And put the compressed instructions at the end.

[wangpc]

LGTM.

[asb]

LGTM

llvm/lib/Target/RISCV/RISCVInstrInfo.td

def : Pat<(binop_allwusers<add> GPR:$rs1, (AddiPair:$rs2)),
           (ADDIW (ADDIW GPR:$rs1, (AddiPairImmLarge AddiPair:$rs2)),
                  (AddiPairImmSmall AddiPair:$rs2))>;
 }
 
 //===----------------------------------------------------------------------===//
 // Standard extensions
 //===----------------------------------------------------------------------===//
 
+// Multiply and Division
 include "RISCVInstrInfoM.td"
+
+// Atomic
 include "RISCVInstrInfoA.td"
+
+// Scalar FP
 include "RISCVInstrInfoF.td"
 include "RISCVInstrInfoD.td"
-include "RISCVInstrInfoC.td"
+include "RISCVInstrInfoZfh.td"
+include "RISCVInstrInfoZfbfmin.td"
+include "RISCVInstrInfoZfa.td"
+
+// Scalar bitmanip and cryptography
 include "RISCVInstrInfoZb.td"
-include "RISCVInstrInfoZc.td"
 include "RISCVInstrInfoZk.td"
+
+// Vector
 include "RISCVInstrInfoV.td"
 include "RISCVInstrInfoZvfbf.td"
 include "RISCVInstrInfoZvk.td"
-include "RISCVInstrInfoZfa.td"
-include "RISCVInstrInfoZfbfmin.td"
-include "RISCVInstrInfoZfh.td"
+
+// Integer
 include "RISCVInstrInfoZicbo.td"
 include "RISCVInstrInfoZicond.td"
 
+// Compressed
+include "RISCVInstrInfoC.td"
+include "RISCVInstrInfoZc.td"
+
 //===----------------------------------------------------------------------===//
 // Vendor extensions
 //===----------------------------------------------------------------------===//
 
 include "RISCVInstrInfoXVentana.td"
 include "RISCVInstrInfoXTHead.td"
 include "RISCVInstrInfoXSf.td"
 include "RISCVInstrInfoXCV.td"