MIPS: JZ4740: Add power-management and system reset support

Add support for suspend/resume and poweroff/reboot on a JZ4740 SoC.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/1398/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/jz4740/reset.h

@@ -0,0 +1,6 @@
+#ifndef __MIPS_JZ4740_RESET_H__
+#define __MIPS_JZ4740_RESET_H__
+
+extern void jz4740_reset_init(void);
+
+#endif