[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/shmbuf.h b/include/asm-parisc/shmbuf.h
index 623b6c0..0a3eada 100644
--- a/include/asm-parisc/shmbuf.h
+++ b/include/asm-parisc/shmbuf.h
@@ -13,19 +13,19 @@
 
 struct shmid64_ds {
 	struct ipc64_perm	shm_perm;	/* operation perms */
-#ifndef __LP64__
+#ifndef CONFIG_64BIT
 	unsigned int		__pad1;
 #endif
 	__kernel_time_t		shm_atime;	/* last attach time */
-#ifndef __LP64__
+#ifndef CONFIG_64BIT
 	unsigned int		__pad2;
 #endif
 	__kernel_time_t		shm_dtime;	/* last detach time */
-#ifndef __LP64__
+#ifndef CONFIG_64BIT
 	unsigned int		__pad3;
 #endif
 	__kernel_time_t		shm_ctime;	/* last change time */
-#ifndef __LP64__
+#ifndef CONFIG_64BIT
 	unsigned int		__pad4;
 #endif
 	size_t			shm_segsz;	/* size of segment (bytes) */
@@ -36,7 +36,7 @@
 	unsigned int		__unused2;
 };
 
-#ifdef __LP64__
+#ifdef CONFIG_64BIT
 /* The 'unsigned int' (formerly 'unsigned long') data types below will
  * ensure that a 32-bit app calling shmctl(*,IPC_INFO,*) will work on
  * a wide kernel, but if some of these values are meant to contain pointers