[SUNSAB]: Fix broken SYSRQ.

Include SYSRQ support for SUNSAB if SUNSAB_CONSOLE is selected
Signed-off-by: NThomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/serial/sunsab.c

@@ -38,7 +38,7 @@
 #include <asm/prom.h>
 #include <asm/of_device.h>
 
-#if defined(CONFIG_SERIAL_SUNZILOG_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
+#if defined(CONFIG_SERIAL_SUNSAB_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
 #define SUPPORT_SYSRQ
 #endif