arm: rmobile: koelsch: Remove board_late_init function

Koelsch board does not use board_late_init function.
This removes this function and define of BOARD_LATE_INIT from config.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/board/renesas/koelsch/koelsch.c b/board/renesas/koelsch/koelsch.c
index 37202f9..908bc60 100644
--- a/board/renesas/koelsch/koelsch.c
+++ b/board/renesas/koelsch/koelsch.c
@@ -179,11 +179,6 @@
 	gd->bd->bi_dram[0].size = KOELSCH_SDRAM_SIZE;
 }
 
-int board_late_init(void)
-{
-	return 0;
-}
-
 void reset_cpu(ulong addr)
 {
 	u8 val;
diff --git a/include/configs/koelsch.h b/include/configs/koelsch.h
index 3ccadd0..27ef283 100644
--- a/include/configs/koelsch.h
+++ b/include/configs/koelsch.h
@@ -58,7 +58,6 @@
 #define	CONFIG_CMDLINE_EDITING
 
 #define CONFIG_OF_LIBFDT
-#define BOARD_LATE_INIT
 
 #define CONFIG_BAUDRATE		38400
 #define CONFIG_BOOTDELAY	3