Blackfin arch: dont actually need to muck with EMAC_SYSTAT for BF52x for demuxing

Signed-off-by: NMike Frysinger <vapier.adi@gmail.com>
Signed-off-by: NBryan Wu <cooloney@kernel.org>

arch/blackfin/mach-common/ints-priority.c

@@ -983,7 +983,7 @@ int __init init_arch_irq(void)
 
 	local_irq_disable();
 
-#if defined(CONFIG_BF527) || defined(CONFIG_BF536) || defined(CONFIG_BF537)
+#if (defined(CONFIG_BF537) || defined(CONFIG_BF536))
 	/* Clear EMAC Interrupt Status bits so we can demux it later */
 	bfin_write_EMAC_SYSTAT(-1);
 #endif