gensio: upgrade 2.8.15 -> 3.0.1

Release notes:
3.0.1:
Fix: Problems with IPv6 compatibility and running without a fully working network.
Fix: The permissions of the PTY were not set correctly with gtlsshd.
Fix: Some issues building under MSYS2 were fixed.
Enhancement: A "chardelay" gensio is added. This is basically the same as the Nagle
  algorithm in TCP, but it works on other things, like UDP and relpkt, to make
  transfer more efficient on those.
Enhancement: You can use "gsh" instead of "gtlssh" for a shorter name.
  Lots of little documentation updates.

3.0.0:
The only major thing is all the deprecated sergensio code has been removed.
There are also some minor bug fixes, some documentation improvements, some minor
  improvements, and a bug fix around ax25 where it was reporting the close of the
  last channel too soon.

Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-connectivity/gensio/gensio_3.0.1.bb

@@ -5,9 +5,9 @@ LIC_FILES_CHKSUM = "file://COPYING.LIB;md5=4fbd65380cdd255951079008b364516c \
                     file://COPYING;md5=b234ee4d69f5fce4486a80fdaf4a4263 \
                     "
 
-SRCREV = "5ffe39f4a247ff001661a4c283305a3abe823fe3"
+SRCREV = "f15f54da21697c3656a6fb3ad65a8bec1687c772"
 
-SRC_URI = "git://github.com/cminyard/gensio;protocol=https;branch=2.8.x;tag=v${PV}"
+SRC_URI = "git://github.com/cminyard/gensio;protocol=https;branch=ipv6-fix;tag=v${PV}"
 
 
 inherit autotools