[BFloat] Move LLVMBFloatTypeKind to the end of the enum

[stuij]

Summary

so it doesn't change the C ABI

[tstellar]

LGTM. Thanks.

llvm/include/llvm-c/Core.h

 /*===-- llvm-c/Core.h - Core Library C Interface ------------------*- C -*-===*\
 |*                                                                            *|
 |* Part of the LLVM Project, under the Apache License v2.0 with LLVM          *|
 |* Exceptions.                                                                *|
 |* See https://llvm.org/LICENSE.txt for license information.                  *|
 |* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception                    *|
 |*                                                                            *|
 |*===----------------------------------------------------------------------===*|
typedef enum {
   LLVMCatchPad       = 63,
   LLVMCleanupPad     = 64,
   LLVMCatchSwitch    = 65
 } LLVMOpcode;
 
 typedef enum {
   LLVMVoidTypeKind,      /**< type with no size */
   LLVMHalfTypeKind,      /**< 16 bit floating point type */
-  LLVMBFloatTypeKind,    /**< 16 bit brain floating point type */
   LLVMFloatTypeKind,     /**< 32 bit floating point type */
   LLVMDoubleTypeKind,    /**< 64 bit floating point type */
   LLVMX86_FP80TypeKind,  /**< 80 bit floating point type (X87) */
   LLVMFP128TypeKind,     /**< 128 bit floating point type (112-bit mantissa)*/
   LLVMPPC_FP128TypeKind, /**< 128 bit floating point type (two 64-bits) */
   LLVMLabelTypeKind,     /**< Labels */
   LLVMIntegerTypeKind,   /**< Arbitrary bit width integers */
   LLVMFunctionTypeKind,  /**< Functions */
   LLVMStructTypeKind,    /**< Structures */
   LLVMArrayTypeKind,     /**< Arrays */
   LLVMPointerTypeKind,   /**< Pointers */
   LLVMVectorTypeKind,    /**< Fixed width SIMD vector type */
   LLVMMetadataTypeKind,  /**< Metadata */
   LLVMX86_MMXTypeKind,   /**< X86 MMX */
   LLVMTokenTypeKind,     /**< Tokens */
-  LLVMScalableVectorTypeKind /**< Scalable SIMD vector type */
+  LLVMScalableVectorTypeKind, /**< Scalable SIMD vector type */
+  LLVMBFloatTypeKind     /**< 16 bit brain floating point type */
 } LLVMTypeKind;
 
 typedef enum {
   LLVMExternalLinkage,    /**< Externally visible function */
   LLVMAvailableExternallyLinkage,
   LLVMLinkOnceAnyLinkage, /**< Keep one copy of function when linking (inline)*/
   LLVMLinkOnceODRLinkage, /**< Same, but only replaced by something
                             equivalent. */