i386: Add new model number for Arrow Lake

gcc/ChangeLog:

	* common/config/i386/cpuinfo.h (get_intel_cpu): Add new model
	number for Arrow Lake.

Author: jianghc724

gcc/common/config/i386/cpuinfo.h

@@ -600,6 +600,7 @@ get_intel_cpu (struct __processor_model *cpu_model,
 	CHECK___builtin_cpu_is ("grandridge");
 	cpu_model->__cpu_type = INTEL_GRANDRIDGE;
 	break;
+      case 0xb5:
       case 0xc5:
 	/* Arrow Lake.  */
 	cpu = "arrowlake";