[PARISC] convert to use CONFIG_64BIT instead of __LP64__

Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
diff --git a/include/asm-parisc/page.h b/include/asm-parisc/page.h
index dcf9047..f6bba4c 100644
--- a/include/asm-parisc/page.h
+++ b/include/asm-parisc/page.h
@@ -105,7 +105,7 @@
 /* WARNING: The definitions below must match exactly to sizeof(pte_t)
  * etc
  */
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
 #define BITS_PER_PTE_ENTRY	3
 #define BITS_PER_PMD_ENTRY	2
 #define BITS_PER_PGD_ENTRY	2