common: Add .u_boot_list into all linker files

Add section for the linker-generated lists into all possible linker
files, so that everyone can easily use these lists. This is mostly
a mechanical adjustment.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Joe Hershberger <joe.hershberger@gmail.com>
Cc: Mike Frysinger <vapier@gentoo.org>
diff --git a/board/actux1/u-boot.lds b/board/actux1/u-boot.lds
index 63fd356..e3a4422 100644
--- a/board/actux1/u-boot.lds
+++ b/board/actux1/u-boot.lds
@@ -60,6 +60,11 @@
 	}
 	__u_boot_cmd_end =.;
 
+	. = ALIGN(4);
+	.u_boot_list : {
+	#include <u-boot.lst>
+	}
+
 	. = ALIGN (4);
 	.rel.dyn : {
 		__rel_dyn_start = .;