distribution: Enable UIO as module

Signed-off-by: balakrishna.garapati <balakrishna.garapati@linaro.org>
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
diff --git a/linaro/configs/distribution.conf b/linaro/configs/distribution.conf
index f394d94..827ec2f 100644
--- a/linaro/configs/distribution.conf
+++ b/linaro/configs/distribution.conf
@@ -65,3 +65,4 @@
 CONFIG_OF_SELFTEST=y
 CONFIG_E1000E=m
 CONFIG_IXGBE=m
+CONFIG_UIO=m