Turned off clang-format for RISCVProcFamilyEnum.

Author: mgudim

llvm/lib/Target/RISCV/RISCVSubtarget.h

@@ -46,8 +46,13 @@ struct RISCVTuneInfo {
 
 class RISCVSubtarget : public RISCVGenSubtargetInfo {
 public:
-  enum RISCVProcFamilyEnum : uint8_t { Others, SiFive7, VentanaVeyron };
-
+  // clang-format off
+  enum RISCVProcFamilyEnum : uint8_t {
+    Others,
+    SiFive7,
+    VentanaVeyron
+  };
+  // clang-format on
 private:
   virtual void anchor();