Add in Cavium's CID. Report what the unknown CID is.

sys/mips/include/locore.h

@@ -60,6 +60,7 @@ typedef int mips_prid_t;
 				/*	0x09	unannounced */
 				/*	0x0a	unannounced */
 #define     MIPS_PRID_CID_LEXRA		0x0b	/* Lexra */
+#define     MIPS_PRID_CID_CAVIUM	0x0d	/* Cavium */
 #define MIPS_PRID_COPTS(x)	(((x) >> 24) & 0x00ff)	/* Company Options */
 
 #ifdef _KERNEL

sys/mips/mips/cpu.c

@@ -178,9 +178,12 @@ cpu_identify(void)
 	case MIPS_PRID_CID_LEXRA:
 		printf("Lexra");
 		break;
+	case MIPS_PRID_CID_CAVIUM:
+		printf("Cavium");
+		break;
 	case MIPS_PRID_CID_PREHISTORIC:
 	default:
-		printf("Unknown");
+		printf("Unknown cid %#x", cpuinfo.cpu_vendor);
 		break;
 	}
 	printf(" processor v%d.%d\n", cpuinfo.cpu_rev, cpuinfo.cpu_impl);