sysvar: bumped value size to 2048.

Larger size is needed to handle SSL certs/keys.

Change-Id: I3a8964c5d1b3a34c4b1c5f75a69f216cee1c5e89
diff --git a/include/sysvar.h b/include/sysvar.h
index b355769..1f59ed8 100755
--- a/include/sysvar.h
+++ b/include/sysvar.h
@@ -70,7 +70,7 @@
 #define SYSVAR_EXISTED_ERR  -14
 
 #define PAGE_SIZE           256
-#define SYSVAR_VALUE        256
+#define SYSVAR_VALUE        2048
 
 
 struct sysvar_list {