Add support for MPC8220 based "sorcery" board.
diff --git a/cpu/mpc8220/start.S b/cpu/mpc8220/start.S
index 6072374..c5d2388 100644
--- a/cpu/mpc8220/start.S
+++ b/cpu/mpc8220/start.S
@@ -111,6 +111,7 @@
 
 	/* MBAR is mirrored into the MBAR SPR */
 	mtspr	MBAR,r3
+	mtspr	SPRN_SPRG7W,r3	
 	lis	r4, CFG_DEFAULT_MBAR@h
 	stw	r3, 0(r4)
 #endif /* CFG_DEFAULT_MBAR */