[source] kernel: add missing config symbols

[LEDE Commits]

nbd pushed a commit to source.git, branch master:
https://git.lede-project.org/b2443838e6818942501a92acec94b88df85b5c1f

commit b2443838e6818942501a92acec94b88df85b5c1f
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Thu Dec 1 14:52:39 2016 +0100

    kernel: add missing config symbols
    
    Signed-off-by: Felix Fietkau <nbd at nbd.name>
---
 target/linux/generic/config-4.4 | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/target/linux/generic/config-4.4 b/target/linux/generic/config-4.4
index 6ce4afb..24a7258 100644
--- a/target/linux/generic/config-4.4
+++ b/target/linux/generic/config-4.4
@@ -942,6 +942,8 @@ CONFIG_DEVPORT=y
 # CONFIG_DM_ERA is not set
 # CONFIG_DM_FLAKEY is not set
 # CONFIG_DM_LOG_USERSPACE is not set
+# CONFIG_DM_LOG_WRITES is not set
+# CONFIG_DM_MQ_DEFAULT is not set
 # CONFIG_DM_MULTIPATH is not set
 # CONFIG_DM_RAID is not set
 # CONFIG_DM_SWITCH is not set