ARM: at91: remove useless at91rm9200_set_type()

Since all rm9200 board files have been removed, there is no user of
at91rm9200_set_type() left. Remove it

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

arch/arm/mach-at91/generic.h

@@ -21,7 +21,6 @@ extern void __init at91_init_sram(int bank, unsigned long base,
 				  unsigned int length);
 
  /* Processors */
-extern void __init at91rm9200_set_type(int type);
 extern void __init at91_dt_initialize(void);
 
  /* Timer */

arch/arm/mach-at91/setup.c

@@ -31,17 +31,6 @@ struct at91_init_soc __initdata at91_boot_soc;
 struct at91_socinfo at91_soc_initdata;
 EXPORT_SYMBOL(at91_soc_initdata);
 
-void __init at91rm9200_set_type(int type)
-{
-	if (type == ARCH_REVISON_9200_PQFP)
-		at91_soc_initdata.subtype = AT91_SOC_RM9200_PQFP;
-	else
-		at91_soc_initdata.subtype = AT91_SOC_RM9200_BGA;
-
-	pr_info("filled in soc subtype: %s\n",
-		at91_get_soc_subtype(&at91_soc_initdata));
-}
-
 void __iomem *at91_ramc_base[2];
 EXPORT_SYMBOL_GPL(at91_ramc_base);