ARM: shmobile: r8a73a4: Remove empty r8a73a4_add_dt_devices

r8a73a4_add_dt_devices() no longer enables any devices
so remove it.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/mach-shmobile/board-ape6evm-reference.c

@@ -48,7 +48,6 @@ static void __init ape6evm_add_standard_devices(void)
 	clk_put(parent);
 	clk_put(mp);
 
-	r8a73a4_add_dt_devices();
 	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
 }
 

arch/arm/mach-shmobile/r8a73a4.h

@@ -11,7 +11,6 @@ enum {
 };
 
 void r8a73a4_add_standard_devices(void);
-void r8a73a4_add_dt_devices(void);
 void r8a73a4_clock_init(void);
 void r8a73a4_pinmux_init(void);
 

arch/arm/mach-shmobile/setup-r8a73a4.c

@@ -187,10 +187,6 @@ static struct resource cmt1_resources[] = {
 					  &cmt##idx##_platform_data,	\
 					  sizeof(struct sh_timer_config))
 
-void __init r8a73a4_add_dt_devices(void)
-{
-}
-
 /* DMA */
 static const struct sh_dmae_slave_config dma_slaves[] = {
 	{