[POWERPC] Fix rheap alignment problem

Honor alignment parameter in the rheap allocator.  This is needed by
qe_lib.
Remove compile warning.

Signed-off-by: Pantelis Antoniou <pantelis@embeddedalley.com>
Signed-off-by: Li Yang <leoli@freescale.com>
Acked-by: Kumar Galak <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/include/asm-ppc/rheap.h b/include/asm-ppc/rheap.h
index e6ca1f6..65b9322 100644
--- a/include/asm-ppc/rheap.h
+++ b/include/asm-ppc/rheap.h
@@ -62,6 +62,10 @@
 /* Detach a free region */
 extern void *rh_detach_region(rh_info_t * info, void *start, int size);
 
+/* Allocate the given size from the remote heap (with alignment) */
+extern void *rh_alloc_align(rh_info_t * info, int size, int alignment,
+		const char *owner);
+
 /* Allocate the given size from the remote heap */
 extern void *rh_alloc(rh_info_t * info, int size, const char *owner);