[mlir][ArmSME] Remove XFAILs (llvm#104758)

Buildbots have been updated to QEMU 9.0.2: 
llvm#104758 (comment)

Author: MacDue

mlir/test/Integration/Dialect/Linalg/CPU/ArmSME/multi-tile-matmul-mixed-types.mlir

@@ -13,14 +13,8 @@
 /// tests a mixed i8 to i32 matmul and outer product fusion which fuses 16
 /// outer products (four per tile) into four 4-way outer products.
 
-/// NOTE: QEMU gives incorrect result for SME SMOPA 4-way outer product
-/// instruction (version <= 8.2.0, latest version at time of writing), see:
-/// https://gitlab.com/qemu-project/qemu/-/issues/2083
-/// This test is expected to fail until a fixed version of QEMU can be used.
-
-/// FIXME: Remove the 'XFAIL' below once a fixed QEMU version is available
-/// (and installed on CI buildbot).
-/// XFAIL: *
+// NOTE: QEMU <= 8.2.0 gives incorrect result for SME SMOPA 4-way outer product
+// instruction see: https://gitlab.com/qemu-project/qemu/-/issues/2083.
 
 func.func @matmul_i8_to_i32(%A : tensor<?x?xi8>, %B : tensor<?x?xi8>, %C : tensor<?x?xi32>) {
   %res = linalg.matmul ins(%A, %B: tensor<?x?xi8>, tensor<?x?xi8>)

mlir/test/Integration/Dialect/Vector/CPU/ArmSME/outerproduct-i8i8i32.mlir

@@ -7,14 +7,8 @@
 
 // RUN: %{compile} | %{run} | FileCheck %s
 
-// NOTE: QEMU gives incorrect result for SME SMOPA 4-way outer product
-// instruction (version <= 8.2.0, latest version at time of writing), see:
-// https://gitlab.com/qemu-project/qemu/-/issues/2083 This test is expected to
-// fail (CHECK lines are correct) until a fixed version of QEMU can be used.
-
-// FIXME: Remove the 'XFAIL' below once a fixed QEMU version is available
-// (and installed on CI buildbot).
-// XFAIL: *
+// NOTE: QEMU <= 8.2.0 gives incorrect result for SME SMOPA 4-way outer product
+// instruction see: https://gitlab.com/qemu-project/qemu/-/issues/2083.
 
 // NOTE: there is no non-widening variant for these types and this test can't
 // be lowered without the widening pass, therefore we can't check if the result