libnsl2: upgrade 2.0.0 -> 2.0.1

Changelog:
===========
* Remove unused internal symbols from libnsl.map
* Remove NIS+ from documentation

(From OE-Core rev: 32a6640fb99cdccb4a74e3ea8baa03272f827fb6)

Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
(cherry picked from commit 1c85811d3a31cd290c7cbc939663cd68d69d9146)
Signed-off-by: Steve Sakoman <steve@sakoman.com>

meta/recipes-extended/libnsl/libnsl2_git.bb

@@ -10,9 +10,9 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=4fbd65380cdd255951079008b364516c"
 SECTION = "libs"
 DEPENDS = "libtirpc"
 
-PV = "2.0.0"
+PV = "2.0.1"
 
-SRCREV = "82245c0c58add79a8e34ab0917358217a70e5100"
+SRCREV = "d4b22e54b5e6637a69b26eab5faad2a326c9b182"
 
 SRC_URI = "git://github.com/thkukuk/libnsl;branch=master;protocol=https \
           "