sh: kgdb sysrq depends on magic sysrq.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug
index 7fb6d5c..722da68 100644
--- a/arch/sh/Kconfig.debug
+++ b/arch/sh/Kconfig.debug
@@ -130,6 +130,7 @@
 
 config KGDB_SYSRQ
 	bool "Allow SysRq 'G' to enter KGDB"
+	depends on MAGIC_SYSRQ
 	default y
 
 comment "Serial port setup"