powerpc, 8xx: Fixup all 8xx u-boot.lds scripts

8xx was left behind when fixing up powerpc linking
scripts to support -fpic.

Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
diff --git a/board/matrix_vision/mvsmr/u-boot.lds b/board/matrix_vision/mvsmr/u-boot.lds
index f3d01e7..bf2ed04 100644
--- a/board/matrix_vision/mvsmr/u-boot.lds
+++ b/board/matrix_vision/mvsmr/u-boot.lds
@@ -55,9 +55,10 @@
   PROVIDE (erotext = .);
   .reloc   :
   {
-    KEEP(*(.got))
     _GOT2_TABLE_ = .;
     KEEP(*(.got2))
+    KEEP(*(.got))
+    PROVIDE(_GLOBAL_OFFSET_TABLE_ = . + 4);
     _FIXUP_TABLE_ = .;
     KEEP(*(.fixup))
   }