activate CONFIG_POSIX_MQUEUE to enable docker >= 1.4.0

Author: dominikholler

arch/arm/configs/odroidu_defconfig

@@ -47,7 +47,7 @@ CONFIG_VERSION_SIGNATURE=""
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
 CONFIG_SYSVIPC_SYSCTL=y
-# CONFIG_POSIX_MQUEUE is not set
+CONFIG_POSIX_MQUEUE=y
 CONFIG_FHANDLE=y
 # CONFIG_AUDIT is not set
 CONFIG_HAVE_GENERIC_HARDIRQS=y