bump seabios revision

by the time i'd done this, i'd realised that seabios only
modified some documentation upstream. the code has not
changed since last update, upstream.

no point scrapping the update now. now we have slightly
better documentation for seabios!

Signed-off-by: Leah Rowe <leah@libreboot.org>

config/seabios/default/patches/0001-romfile-implement-a-generic-loader.patch

@@ -1,7 +1,7 @@
-From 04e972e14191f3a480e569e972c195ba8eb53a30 Mon Sep 17 00:00:00 2001
+From cb35009da3b9335845a6e8a2f0ba2a031bf52183 Mon Sep 17 00:00:00 2001
 From: Riku Viitanen <riku.viitanen@protonmail.com>
 Date: Sat, 10 Feb 2024 21:23:33 +0200
-Subject: [PATCH 1/4] romfile: implement a generic loader
+Subject: [PATCH 1/3] romfile: implement a generic loader
 
 romfile_loadfile_g:
 Based on romfile_loadfile but more flexible. User has to supply pointer
@@ -82,5 +82,5 @@ index ae2f4ac7..f62b2fee 100644
  u64 romfile_loadint(const char *name, u64 defval);
  u32 romfile_loadbool(const char *name, u32 defval);
 -- 
-2.39.5
+2.47.3