[POWERPC] PS3: Sys-manager Wake-on-LAN support

Add Wake-on-LAN support to the PS3 system-manager.  Other OS WOL
support was introduced in PS3 system firmware 2.20.

Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/include/asm-powerpc/ps3.h b/include/asm-powerpc/ps3.h
index d01c701..9e8ed68 100644
--- a/include/asm-powerpc/ps3.h
+++ b/include/asm-powerpc/ps3.h
@@ -437,6 +437,8 @@
 void __noreturn ps3_sys_manager_power_off(void);
 void __noreturn ps3_sys_manager_restart(void);
 void __noreturn ps3_sys_manager_halt(void);
+int ps3_sys_manager_get_wol(void);
+void ps3_sys_manager_set_wol(int state);
 
 struct ps3_prealloc {
     const char *name;