[OpenBIOS] [PATCH] Allow non-cross compilation

[Alexander Graf]

I usually compile openbios on PowerPC for PowerPC. Apparently I'm the only one
doing that, as that (really easy) case got broken by the cross compilation
overhaul.

Let's allow host = target gcc configurations again.

Signed-off-by: Alexander Graf

Index: config/scripts/switch-arch
===================================================================
--- config/scripts/switch-arch	(revision 644)
+++ config/scripts/switch-arch	(working copy)
@@ -93,6 +93,9 @@
             return
         fi
     done
+    if [ "$ARCH" = "$HOSTARCH" ]; then
+        return
+    fi
     echo "ERROR: no ${1} cross-compiler found !" 1>&2
     exit 1
 }