gensio: upgrade 3.0.3 -> 3.0.4

Changelog:
=============
- soapysdr would not compile static.
- Some python2 APIs were converted to Python 3 for SWIG 4.5.0 compatibility.
- An ssh compatibility mode was added to gtlssh. This deals with how parameters
  are parsed. If you invoke it as gsh, parameters are parsed as ssh does. If
  invoked as gtlssh, they are parsed like gtlssh does (which is arguably more
  sane). There is also a parameter to do this. This helps when using it with git
  and rsync and such. This is described in the gtlssh man page.
- In the fsk (afskmdm) gensio, low sample rates were broken because the gain
  was not set properly in the FIR filter implementation.

Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <khem.raj@oss.qualcomm.com>

meta-oe/recipes-connectivity/gensio/gensio_3.0.4.bb

@@ -5,7 +5,7 @@ LIC_FILES_CHKSUM = "file://COPYING.LIB;md5=4fbd65380cdd255951079008b364516c \
                     file://COPYING;md5=b234ee4d69f5fce4486a80fdaf4a4263 \
                     "
 
-SRCREV = "183b8926c7b7ffbe68e1710bf32f741dcff58f51"
+SRCREV = "e66b91f3359c432fe7e054486908d1caa22630d5"
 
 SRC_URI = "git://github.com/cminyard/gensio;protocol=https;branch=master;tag=v${PV}"