davinci: da850evm: fix empty boot method list in the SPL

The list of available boot method is not part of the binary which
prevent the SPL from booting u-boot or Linux.

Add the missing .u_boot_list* sections to the binary to fix it.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/board/davinci/da8xxevm/u-boot-spl-da850evm.lds b/board/davinci/da8xxevm/u-boot-spl-da850evm.lds
index ab4f50c..85a6be9 100644
--- a/board/davinci/da8xxevm/u-boot-spl-da850evm.lds
+++ b/board/davinci/da8xxevm/u-boot-spl-da850evm.lds
@@ -34,6 +34,9 @@
 	.data : { *(SORT_BY_ALIGNMENT(.data*)) } >.sram
 
 	. = ALIGN(4);
+	.u_boot_list : { KEEP(*(SORT(.u_boot_list*))); } >.sram
+
+	. = ALIGN(4);
 	.rel.dyn : {
 		__rel_dyn_start = .;
 		*(.rel*)