8xxx: Move dma_init() call to common code

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/cpu/mpc85xx/cpu_init.c b/cpu/mpc85xx/cpu_init.c
index c98dd8d..41de694 100644
--- a/cpu/mpc85xx/cpu_init.c
+++ b/cpu/mpc85xx/cpu_init.c
@@ -261,7 +261,9 @@
 #if defined(CONFIG_MPC8536)
 	fsl_serdes_init();
 #endif
-
+#if defined(CONFIG_FSL_DMA)
+	dma_init();
+#endif
 }