staging: most: rename DIM_Shutdown to dim_shutdown

This patch renames DIM_Shutdown to dim_shutdown to avoid camelcase
found by checkpatch.

CHECK: Avoid CamelCase: <DIM_Shutdown>
FILE: drivers/staging/most/hdm-dim2/dim2_hal.c:676:
Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/most/hdm-dim2/dim2_hal.c

@@ -673,7 +673,7 @@ u8 dim_startup(void *dim_base_address, u32 mlb_clock)
 	return DIM_NO_ERROR;
 }
 
-void DIM_Shutdown(void)
+void dim_shutdown(void)
 {
 	g.dim_is_initialized = false;
 	dim2_cleanup();

drivers/staging/most/hdm-dim2/dim2_hal.h

@@ -67,7 +67,7 @@ struct dim_channel {
 
 u8 dim_startup(void *dim_base_address, u32 mlb_clock);
 
-void DIM_Shutdown(void);
+void dim_shutdown(void);
 
 bool DIM_GetLockState(void);
 

drivers/staging/most/hdm-dim2/dim2_hdm.c

@@ -883,7 +883,7 @@ static int dim2_remove(struct platform_device *pdev)
 	unsigned long flags;
 
 	spin_lock_irqsave(&dim_lock, flags);
-	DIM_Shutdown();
+	dim_shutdown();
 	spin_unlock_irqrestore(&dim_lock, flags);
 
 	if (pdata && pdata->destroy)