85xx: Use SVR_SOC_VER instead of SVR_VER

The recent change introduced by 'Update SVR numbers to expand support'
now requires that we use SVR_SOC_VER instead of SVR_VER if we want
to compare against a particular processor id.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/cpu/mpc85xx/cpu_init.c b/cpu/mpc85xx/cpu_init.c
index fce0c48..e3240b5 100644
--- a/cpu/mpc85xx/cpu_init.c
+++ b/cpu/mpc85xx/cpu_init.c
@@ -272,7 +272,7 @@
 	uint l2srbar;
 
 	svr = get_svr();
-	ver = SVR_VER(svr);
+	ver = SVR_SOC_VER(svr);
 
 	asm("msync;isync");
 	cache_ctl = l2cache->l2ctl;