style(asm): reindent the evex comment gofmt asks for

Assisted-by: GLM 5.3

asm/evex.go

@@ -1487,10 +1487,10 @@ func (e *enc) encodeEvexMove(mnem string, ms evexMoveSpec, ops []Operand, mask i
 		if !ms.nds3 {
 			return fmt.Errorf("EVEX move expects 2 operands, got %d", len(ops))
 		}
-			// The masked scalar register form keeps the Go assembler's own
-			// layout: the store opcode with reg = op0, vvvv = op1 and the
-			// destination in r/m (op2), the bytes go tool asm emits, not
-			// the manual's NDS reading.
+		// The masked scalar register form keeps the Go assembler's own
+		// layout: the store opcode with reg = op0, vvvv = op1 and the
+		// destination in r/m (op2), the bytes go tool asm emits, not
+		// the manual's NDS reading.
 		src, src1, dst := ops[0], ops[1], ops[2]
 		reg, ok := src.(Reg)
 		if !ok || !reg.isVec() {