Revert "[MPC512x] Correct fixup relocation"

This reverts commit 8d17979d0359492a822a0a409d26e3a3549b4cd4.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
diff --git a/cpu/mpc512x/config.mk b/cpu/mpc512x/config.mk
index 3259d53..8a07c5a 100644
--- a/cpu/mpc512x/config.mk
+++ b/cpu/mpc512x/config.mk
@@ -19,7 +19,7 @@
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 # MA 02111-1307 USA
 #
-PLATFORM_RELFLAGS += -fPIC -ffixed-r14 -meabi -mrelocatable
+PLATFORM_RELFLAGS += -fPIC -ffixed-r14 -meabi
 
 PLATFORM_CPPFLAGS += -DCONFIG_MPC512X -DCONFIG_E300 \
 			-ffixed-r2 -ffixed-r29 -msoft-float -mcpu=603e