ARM: tegra: Add prototypes for subsystem suspend functions

Signed-off-by: Colin Cross <ccross@android.com>
diff --git a/arch/arm/mach-tegra/dma.c b/arch/arm/mach-tegra/dma.c
index edda6ec..a2a252d 100644
--- a/arch/arm/mach-tegra/dma.c
+++ b/arch/arm/mach-tegra/dma.c
@@ -30,6 +30,7 @@
 #include <mach/dma.h>
 #include <mach/irqs.h>
 #include <mach/iomap.h>
+#include <mach/suspend.h>
 
 #define APB_DMA_GEN				0x000
 #define GEN_ENABLE				(1<<31)