SMDKV310: Fix undefined reference error

Fix buld error:
undefined reference to '__image_copy_end' and `save_boot_params'.

start.o: In function `_image_copy_end_ofs':
mmc_spl/board/samsung/smdkv310/start.S:44: undefined reference to `__image_copy_end'
start.o: In function `reset':
mmc_spl/board/samsung/smdkv310/start.S:137: undefined reference to `save_boot_params'

Signed-off-by: Chander Kashyap <chander.kashyap@linaro.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

mmc_spl/board/samsung/smdkv310/mmc_boot.c

@@ -54,6 +54,10 @@ void board_init_r(gd_t *id, ulong dest_addr)
 		;
 }
 
+void save_boot_params(u32 r0, u32 r1, u32 r2, u32 r3)
+{
+}
+
 void do_undefined_instruction(struct pt_regs *pt_regs)
 {
 }

mmc_spl/board/samsung/smdkv310/u-boot.lds

@@ -58,6 +58,8 @@ SECTIONS
 
 	. = ALIGN(4);
 
+	__image_copy_end = .;
+
 	.rel.dyn : {
 		__rel_dyn_start = .;
 		*(.rel*)