device-drivers: block: enable build and run

Signed-off-by: Alexey Kodanev <alexey.kodanev@oracle.com>
Reviewed-by: Cyril Hrubis <chrubis@suse.cz>
diff --git a/runtest/kernel_misc b/runtest/kernel_misc
index 29071b3..654e217 100644
--- a/runtest/kernel_misc
+++ b/runtest/kernel_misc
@@ -1,3 +1,4 @@
 kmsg01 kmsg01
 fw_load fw_load
 rtc01 rtc01
+block_dev block_dev