[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/elf.h b/include/asm-parisc/elf.h
index adea65f..f628ac7 100644
--- a/include/asm-parisc/elf.h
+++ b/include/asm-parisc/elf.h
@@ -220,7 +220,7 @@
  * macros, and then it includes fs/binfmt_elf.c to provide an alternate
  * elf binary handler for 32 bit binaries (on the 64 bit kernel).
  */
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
 #define ELF_CLASS       ELFCLASS64
 #else
 #define ELF_CLASS	ELFCLASS32