Update IDF to 3.2-3276a13 and esptool.py to 2.5.0 (#1878)

* TX Flow Control and Code cleanup

* Use semaphore instead of delay

TX functionality is done.

* Use single buffer and empty queue on exit

* Fix compile issues because of LwIP code relocation

* Add temporary header to fix Azure not compiling

* Fix AsyncUDP early init

* AsyncUDP Multicast fixes

* Add source mac address and rework multicast

* Allow redefinition of default pins for Serials 1 and 2

* Update IDF to 3276a13

* Update esptool.py to 2.5.0

* Fix sketches

* Fix log level in BluetoothSetial

tools/sdk/include/expat/Makefile.am

@@ -0,0 +1,77 @@
+#
+#                          __  __            _
+#                       ___\ \/ /_ __   __ _| |_
+#                      / _ \\  /| '_ \ / _` | __|
+#                     |  __//  \| |_) | (_| | |_
+#                      \___/_/\_\ .__/ \__,_|\__|
+#                               |_| XML parser
+#
+# Copyright (c) 2017 Expat development team
+# Licensed under the MIT license:
+#
+# Permission is  hereby granted,  free of charge,  to any  person obtaining
+# a  copy  of  this  software   and  associated  documentation  files  (the
+# "Software"),  to  deal in  the  Software  without restriction,  including
+# without  limitation the  rights  to use,  copy,  modify, merge,  publish,
+# distribute, sublicense, and/or sell copies of the Software, and to permit
+# persons  to whom  the Software  is  furnished to  do so,  subject to  the
+# following conditions:
+#
+# The above copyright  notice and this permission notice  shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE  SOFTWARE  IS  PROVIDED  "AS  IS",  WITHOUT  WARRANTY  OF  ANY  KIND,
+# EXPRESS  OR IMPLIED,  INCLUDING  BUT  NOT LIMITED  TO  THE WARRANTIES  OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+# NO EVENT SHALL THE AUTHORS OR  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+# DAMAGES OR  OTHER LIABILITY, WHETHER  IN AN  ACTION OF CONTRACT,  TORT OR
+# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+# USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+include_HEADERS = \
+    ../expat_config.h \
+    expat.h \
+    expat_external.h
+
+lib_LTLIBRARIES = libexpat.la
+
+libexpat_la_LDFLAGS = \
+    -no-undefined \
+    -version-info @LIBCURRENT@:@LIBREVISION@:@LIBAGE@ \
+    -rpath $(libdir)
+
+libexpat_la_SOURCES = \
+    loadlibrary.c \
+    xmlparse.c \
+    xmltok.c \
+    xmlrole.c
+
+doc_DATA = \
+    ../AUTHORS \
+    ../Changes
+
+install-data-hook:
+	cd "$(DESTDIR)$(docdir)" && $(am__mv) Changes changelog
+
+uninstall-local:
+	$(RM) "$(DESTDIR)$(docdir)/changelog"
+
+EXTRA_DIST = \
+    ascii.h \
+    asciitab.h \
+    expat_external.h \
+    expat.h \
+    iasciitab.h \
+    internal.h \
+    latin1tab.h \
+    libexpat.def \
+    libexpatw.def \
+    nametab.h \
+    siphash.h \
+    utf8tab.h \
+    winconfig.h \
+    xmlrole.h \
+    xmltok.h \
+    xmltok_impl.c \
+    xmltok_impl.h \
+    xmltok_ns.c