apanic: make APANIC_LABEL depend on APANIC

Signed-off-by: Iliyan Malchev <malchev@google.com>
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 1c79dbf..26860b1 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -522,6 +522,7 @@
 
 config APANIC_PLABEL
 	string "Android panic dump flash partition label"
+	depends on APANIC
 	default "kpanic"
 	---help---
 	 If your platform uses a different flash partition label for storing