[MIPS] Simple patch to power off DBAU1200

Signed-off-by: NMatej Kupljen <matej.kupljen@ultra.si>
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

arch/mips/au1000/common/reset.c

@@ -175,6 +175,9 @@ void au1000_halt(void)
 #ifdef CONFIG_MIPS_MIRAGE
 	au_writel((1 << 26) | (1 << 10), GPIO2_OUTPUT);
 #endif
+#ifdef CONFIG_MIPS_DB1200
+	au_writew(au_readw(0xB980001C) | (1<<14), 0xB980001C);
+#endif
 #ifdef CONFIG_PM
 	au_sleep();