[llvm] [AMDGPU][MC] Support src modifiers for v_mov_b32 and v_movrel* instructions (PR #76498)

[Joe Nash via llvm-commits]

================
@@ -1362,11 +1385,9 @@ def : GCNPat <
                         (as_i32timm $dpp8), (i32 DPP8Mode.FI_0))
 >;
 } // End OtherPredicates = [isGFX10Only]
-
----------------
Sisyph wrote:

Please remove unrelated whitespace changes

https://github.com/llvm/llvm-project/pull/76498