ARM: shmobile: sh73a0: Remove unused sh73a0_add_standard_devices_dt()

"ARM: shmobile: kzm9g-reference: Remove board C code and DT file"
removed the last user of sh73a0_add_standard_devices_dt(). Hence remove
this function.
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

arch/arm/mach-shmobile/setup-sh73a0.c

@@ -783,15 +783,6 @@ void __init sh73a0_add_early_devices(void)
 	shmobile_setup_console();
 }
 
-void __init sh73a0_add_standard_devices_dt(void)
-{
-	/* clocks are setup late during boot in the case of DT */
-#ifndef CONFIG_COMMON_CLK
-	sh73a0_clock_init();
-#endif
-	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
-}
-
 #define RESCNT2 IOMEM(0xe6188020)
 static void sh73a0_restart(enum reboot_mode mode, const char *cmd)
 {

arch/arm/mach-shmobile/sh73a0.h

@@ -77,7 +77,6 @@ extern void sh73a0_map_io(void);
 extern void sh73a0_earlytimer_init(void);
 extern void sh73a0_add_early_devices(void);
 extern void sh73a0_add_standard_devices(void);
-extern void sh73a0_add_standard_devices_dt(void);
 extern void sh73a0_clock_init(void);
 extern void sh73a0_pinmux_init(void);
 extern void sh73a0_pm_init(void);