davinci: misc cleanups from sparse

- Convert data/functions to static
- include headers for missing declarations
- pointer cleanups:  struct foo *__iomem f --> struct foo __iomem *f;

Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
diff --git a/arch/arm/mach-davinci/devices.c b/arch/arm/mach-davinci/devices.c
index 1479496..ef28080 100644
--- a/arch/arm/mach-davinci/devices.c
+++ b/arch/arm/mach-davinci/devices.c
@@ -23,6 +23,8 @@
 #include <mach/mmc.h>
 #include <mach/time.h>
 
+#include "clock.h"
+
 #define DAVINCI_I2C_BASE	     0x01C21000
 #define DAVINCI_MMCSD0_BASE	     0x01E10000
 #define DM355_MMCSD0_BASE	     0x01E11000