Update cmake files from gnuradio master gr_modtool output.

I ran gr_modtool to create a new module. Then replaces the top level
CMakeLists file and tweaked the details. Also about the cmake Modules.
The output compiles for x86 native and armv7a cross.

Signed-off-by: Philip Balister <philip@balister.org>

cmake/Modules/FindPyQt.py

@@ -1,24 +0,0 @@
-# Copyright (c) 2007, Simon Edwards <simon@simonzone.com>
-# Redistribution and use is allowed according to the terms of the BSD license.
-# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
-
-import PyQt4.pyqtconfig
-
-pyqtcfg = PyQt4.pyqtconfig.Configuration()
-print("pyqt_version:%06.0x" % pyqtcfg.pyqt_version)
-print("pyqt_version_str:%s" % pyqtcfg.pyqt_version_str)
-
-pyqt_version_tag = ""
-in_t = False
-for item in pyqtcfg.pyqt_sip_flags.split(' '):
-    if item=="-t":
-        in_t = True
-    elif in_t:
-        if item.startswith("Qt_4"):
-            pyqt_version_tag = item
-    else:
-        in_t = False
-print("pyqt_version_tag:%s" % pyqt_version_tag)
-
-print("pyqt_sip_dir:%s" % pyqtcfg.pyqt_sip_dir)
-print("pyqt_sip_flags:%s" % pyqtcfg.pyqt_sip_flags)