Fix building on PPC64

HOST_PPC alone can't be a substitute for __powerpc__ which is defined
for both 32 and 64bit PPCs, so go with HOST_PPC || HOST_PPC64 instead.

Reported by C. W. Betts

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6293 c046a42c-6fe2-441c-8c8c-71466251a162

cache-utils.c

@@ -1,6 +1,6 @@
 #include "cache-utils.h"
 
-#ifdef HOST_PPC
+#if defined HOST_PPC || defined HOST_PPC64
 struct qemu_cache_conf qemu_cache_conf = {
     .dcache_bsize = 16,
     .icache_bsize = 16
@@ -68,4 +68,4 @@ void qemu_cache_utils_init(char **envp)
 }
 #endif
 
-#endif /* HOST_PPC */
+#endif /* HOST_PPC || HOST_PPC64  */

cache-utils.h

@@ -3,7 +3,7 @@
 
 #include "config-host.h"
 
-#ifdef HOST_PPC
+#if defined HOST_PPC || defined HOST_PPC64
 struct qemu_cache_conf {
     unsigned long dcache_bsize;
     unsigned long icache_bsize;