Replace CONFIG_RELOC_FIXUP_WORKS by CONFIG_NEEDS_MANUAL_RELOC

By now, the majority of architectures have working relocation
support, so the few remaining architectures have become exceptions.
To make this more obvious, we make working relocation now the default
case, and flag the remaining cases with CONFIG_NEEDS_MANUAL_RELOC.

Signed-off-by: Wolfgang Denk <wd@denx.de>
Tested-by: Heiko Schocher <hs@denx.de>
Tested-by: Reinhard Meyer <u-boot@emk-elektronik.de>
diff --git a/common/command.c b/common/command.c
index d47d719..0020eac 100644
--- a/common/command.c
+++ b/common/command.c
@@ -466,7 +466,7 @@
 }
 #endif
 
-#if !defined(CONFIG_RELOC_FIXUP_WORKS)
+#if defined(CONFIG_NEEDS_MANUAL_RELOC)
 DECLARE_GLOBAL_DATA_PTR;
 
 void fixup_cmdtable(cmd_tbl_t *cmdtp, int size)