oprofile/x86: add Xeon 7500 series support

Add Xeon 7500 series support to oprofile.

Straight forward: it's the same as Core i7, so just detect
the model number. No user space changes needed.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Robert Richter <robert.richter@amd.com>
diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index 76d4f56..3347f69 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -598,6 +598,7 @@
 	case 15: case 23:
 		*cpu_type = "i386/core_2";
 		break;
+	case 0x2e:
 	case 26:
 		spec = &op_arch_perfmon_spec;
 		*cpu_type = "i386/core_i7";