arm/km: remove unused code

For some reasons we had an own implementaion of dram_init and
dram_init_banksize. This is not needed anymore, use the standard
kirkwood functions instead.
Signed-off-by: NHolger Brunck <holger.brunck@keymile.com>
cc: Prafulla Wadaskar <prafulla@marvell.com>
cc: Valentin Longchamp <valentin.longchamp@keymile.com>
cc: Gerlando Falauto <gerlando.falauto@keymile.com>
Acked-By: NPrafulla Wadaskar <prafulla@marvell.com>

board/keymile/km_arm/km_arm.c

@@ -331,26 +331,6 @@ void board_spi_release_bus(struct spi_slave *slave)
 	kw_gpio_set_value(KM_FLASH_GPIO_PIN, 1);
 }
 
-int dram_init(void)
-{
-	/* dram_init must store complete ramsize in gd->ram_size */
-	/* Fix this */
-	gd->ram_size = get_ram_size((void *)kw_sdram_bar(0),
-				kw_sdram_bs(0));
-	return 0;
-}
-
-void dram_init_banksize(void)
-{
-	int i;
-
-	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
-		gd->bd->bi_dram[i].start = kw_sdram_bar(i);
-		gd->bd->bi_dram[i].size = get_ram_size((long *)kw_sdram_bar(i),
-						       kw_sdram_bs(i));
-	}
-}
-
 #if (defined(CONFIG_KM_PIGGY4_88E6061))
 
 #define	PHY_LED_SEL_REG		0x18

include/configs/km/keymile-common.h

@@ -81,7 +81,6 @@
 
 #define CONFIG_LOADS_ECHO
 #define CONFIG_SYS_LOADS_BAUD_CHANGE
-#define CONFIG_SYS_BOARD_DRAM_INIT	/* Used board specific dram_init */
 
 #define CONFIG_I2C_MULTI_BUS
 #define CONFIG_SYS_MAX_I2C_BUS		1