[S390] Add z196 machine type to setup_hwcaps

Add machine type for zEnterprise 196 to elf platform detection.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index e3ceb91..6f63508 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -761,6 +761,9 @@
 	case 0x2098:
 		strcpy(elf_platform, "z10");
 		break;
+	case 0x2817:
+		strcpy(elf_platform, "z196");
+		break;
 	}
 }