[clang] [CLANG]Add Scalable vectors for mfloat8_t (PR #101644)

[Paul Walker via cfe-commits]

================
@@ -69,6 +69,11 @@
 
 #ifndef SVE_VECTOR_TYPE_BFLOAT
 #define SVE_VECTOR_TYPE_BFLOAT(Name, MangledName, Id, SingletonId, NumEls, ElBits, NF) \
+  SVE_VECTOR_TYPE_DETAILS(Name, MangledName, Id, SingletonId, NumEls, ElBits, NF, true, false, true)
+#endif
+
+#ifndef SVE_VECTOR_TYPE_MFLOAT
+#define SVE_VECTOR_TYPE_MFLOAT(Name, MangledName, Id, SingletonId, NumEls, ElBits, NF) \
----------------
paulwalker-arm wrote:

Is this necessary.  Looking at the uses I think `SVE_VECTOR_TYPE_INT` would work?

https://github.com/llvm/llvm-project/pull/101644