[llvm] [AMDGPU][MC] Remove incorrect `_e32` suffix from `v_dot2c_f32_f16` and `v_dot4c_i32_i8` (PR #77993)

[Matt Arsenault via llvm-commits]

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@@ -2520,16 +2520,22 @@ multiclass VOP2_Real_DOT_ACC_gfx10<bits<6> op> :
   VOP2_Real_dpp_gfx10<op>,
   VOP2_Real_dpp8_gfx10<op>;
 
+multiclass VOP2Only_Real_DOT_ACC_gfx10<bits<6> op> : VOP2_Real_dpp_gfx10<op>,
+                                                     VOP2_Real_dpp8_gfx10<op> {
+  let IsSingle = 1 in
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arsenm wrote:

Not sure what IsSingle means 

https://github.com/llvm/llvm-project/pull/77993