Add one more Core i7 model number.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114310 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/System/Host.cpp b/lib/System/Host.cpp
index 98629e0..17384a1 100644
--- a/lib/System/Host.cpp
+++ b/lib/System/Host.cpp
@@ -210,6 +210,8 @@
                // processors are manufactured using the 45 nm process.
       case 29: // Intel Xeon processor MP. All processors are manufactured using
                // the 45 nm process.
+      case 30: // Intel(R) Core(TM) i7 CPU         870  @ 2.93GHz.
+               // As found in a Summer 2010 model iMac.
       case 37: // Intel Core i7, laptop version.
         return "corei7";