[media] dm644x_ccdc: declare some functions as static

drivers/media/platform/davinci/dm644x_ccdc.c:133:6: warning: no previous protot
ype for 'ccdc_setwin' [-Wmissing-prototypes]
 void ccdc_setwin(struct v4l2_rect *image_win,
      ^
drivers/media/platform/davinci/dm644x_ccdc.c:373:6: warning: no previous protot
ype for 'ccdc_config_ycbcr' [-Wmissing-prototypes]
 void ccdc_config_ycbcr(void)
      ^
drivers/media/platform/davinci/dm644x_ccdc.c:526:6: warning: no previous protot
ype for 'ccdc_config_raw' [-Wmissing-prototypes]
 void ccdc_config_raw(void)
      ^
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

drivers/media/platform/davinci/dm644x_ccdc.c

@@ -130,7 +130,7 @@ static void ccdc_enable_vport(int flag)
  * This function will configure the window size
  * to be capture in CCDC reg
  */
-void ccdc_setwin(struct v4l2_rect *image_win,
+static void ccdc_setwin(struct v4l2_rect *image_win,
 			enum ccdc_frmfmt frm_fmt,
 			int ppc)
 {
@@ -370,7 +370,7 @@ static int ccdc_set_params(void __user *params)
  * ccdc_config_ycbcr()
  * This function will configure CCDC for YCbCr video capture
  */
-void ccdc_config_ycbcr(void)
+static void ccdc_config_ycbcr(void)
 {
 	struct ccdc_params_ycbcr *params = &ccdc_cfg.ycbcr;
 	u32 syn_mode;
@@ -523,7 +523,7 @@ static void ccdc_config_fpc(struct ccdc_fault_pixel *fpc)
  * ccdc_config_raw()
  * This function will configure CCDC for Raw capture mode
  */
-void ccdc_config_raw(void)
+static void ccdc_config_raw(void)
 {
 	struct ccdc_params_raw *params = &ccdc_cfg.bayer;
 	struct ccdc_config_params_raw *config_params =