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>

board/BuS/eb_cpu5282/u-boot.lds

@@ -69,6 +69,11 @@ SECTIONS
   .u_boot_cmd : { *(.u_boot_cmd) }
   __u_boot_cmd_end = .;
 
+  . = ALIGN(4);
+  .u_boot_list : {
+	#include <u-boot.lst>
+  }
+
   . = .;
   __start___ex_table = .;
   __ex_table : { *(__ex_table) }