arm/km: use kw_sdram_size_adjust to adjust SDRAM size

Some boards may differ only in the SDRAM size. This function allows to
fix the size accordingly and we can use the same u-boot binary for both
boards.

Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
Signed-off-by: Gerlando Falauto <gerlando.falauto@keymile.com>
cc: Prafulla Wadaskar <prafulla@marvell.com>
cc: Valentin Longchamp <valentin.longchamp@keymile.com>

board/keymile/km_arm/km_arm.c

@@ -250,7 +250,8 @@ int board_early_init_f(void)
 	tmp = readl(KW_GPIO0_BASE + 4);
 	writel(tmp & (~KM_KIRKWOOD_SOFT_I2C_GPIOS) , KW_GPIO0_BASE + 4);
 #endif
-
+	/* adjust SDRAM size for bank 0 */
+	kw_sdram_size_adjust(0);
 	kirkwood_mpp_conf(kwmpp_config, NULL);
 	return 0;
 }