Move ALLOC_CACHE_ALIGN_BUFFER() to the new memalign.h header

Now that we have a new header file for cache-aligned allocation, we should
move the stack-based allocation macro there also.

Signed-off-by: Simon Glass <sjg@chromium.org>

disk/part_dos.c

@@ -17,6 +17,7 @@
 #include <common.h>
 #include <command.h>
 #include <ide.h>
+#include <memalign.h>
 #include "part_dos.h"
 
 #ifdef HAVE_BLOCK_DEVICE

disk/part_efi.c

@@ -16,6 +16,7 @@
 #include <ide.h>
 #include <inttypes.h>
 #include <malloc.h>
+#include <memalign.h>
 #include <part_efi.h>
 #include <linux/ctype.h>
 

disk/part_mac.c

@@ -15,6 +15,7 @@
 
 #include <common.h>
 #include <command.h>
+#include <memalign.h>
 #include <ide.h>
 #include "part_mac.h"