Adding an explanation for CONFIG_NET requirement (#18600)

* README: replace CONFIG_NET with CONFIG_UNIX in requirements list

diff --git a/README b/README
index 032477bcbf671f8dbe4dcdde7cc5bb9515996ec0..cde2d1c0a238606862cd284d63ba28d66254de3a 100644 (file)
--- a/README
+++ b/README
@@ -44,7 +44,7 @@ REQUIREMENTS:
           CONFIG_SIGNALFD
           CONFIG_TIMERFD
           CONFIG_EPOLL
-          CONFIG_NET
+          CONFIG_UNIX (it requires CONFIG_NET, but every other flag in it is not necessary)
           CONFIG_SYSFS
           CONFIG_PROC_FS
           CONFIG_FHANDLE (libudev, mount and bind mount handling)