qemu_cpu.cfg: Remove PCLMULQDQ bug from whitelist

The pclmulqdq bug is fixed on qemu.git on commit
56383703c060777fd01aaf8d63d5f46d660e9fb9, so we can stop ignoring the
bug and report as an actual failure.
Signed-off-by: NEduardo Habkost <ehabkost@redhat.com>

qemu/tests/cfg/qemu_cpu.cfg

@@ -195,24 +195,6 @@
                     # (to be fixed on QEMU 1.6.0)
                     ignore_cpuid_leaves += " 0xA"
 
-                    #KNOWN BUG: PCLMULQDQ compatibility on pc-1.4 and older is
-                    # known to be broken since v1.5.0, as the bit was enabled
-                    # without machine-type compatibility code
-                    # (see commit 41cb383f42d0cb51d8e3e25e3ecebc954dd4196f)
-                    cpu.intel.Westmere:
-                        machine.upstream.pc_i440fx_1_4:
-                            ignore_cpuid_leaves += " 1,0,ecx,1"
-                        machine.upstream.pc_q35_1_4:
-                            ignore_cpuid_leaves += " 1,0,ecx,1"
-                        machine.upstream.pc_1_3:
-                            ignore_cpuid_leaves += " 1,0,ecx,1"
-                        machine.upstream.pc_1_2:
-                            ignore_cpuid_leaves += " 1,0,ecx,1"
-                        machine.upstream.pc_1_1:
-                            ignore_cpuid_leaves += " 1,0,ecx,1"
-                        machine.upstream.pc_1_0:
-                            ignore_cpuid_leaves += " 1,0,ecx,1"
-
                     # CPU models without the "apic" feature can't boot
                     # using RHEL-6 Seabios
                     machine.rhel: