[PATCH] s390: cleanup Kconfig

Sanitize some s390 Kconfig options.  We have ARCH_S390, ARCH_S390X,
ARCH_S390_31, 64BIT, S390_SUPPORT and COMPAT.  Replace these 6 options by
S390, 64BIT and COMPAT.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 6ec5cd9..df95338 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -44,7 +44,7 @@
 {
         if (addr >= 0x7ff00000)
                 return;
-#ifdef __s390x__
+#ifdef CONFIG_64BIT
         asm volatile (
 		"   sam31\n"
 		"   diag %0,%0,0x10\n"
@@ -106,7 +106,7 @@
  * paging_init() sets up the page tables
  */
 
-#ifndef CONFIG_ARCH_S390X
+#ifndef CONFIG_64BIT
 void __init paging_init(void)
 {
         pgd_t * pg_dir;
@@ -175,7 +175,7 @@
         return;
 }
 
-#else /* CONFIG_ARCH_S390X */
+#else /* CONFIG_64BIT */
 void __init paging_init(void)
 {
         pgd_t * pg_dir;
@@ -256,7 +256,7 @@
 
         return;
 }
-#endif /* CONFIG_ARCH_S390X */
+#endif /* CONFIG_64BIT */
 
 void __init mem_init(void)
 {