MT#59962 mobile_push: add Makefile

Fixes:

Cleaning mobile_push
make[2]: Entering directory '/usr/src/tmp/sems-pbx/apps/mobile_push'
make[2]: *** No rule to make target 'clean'.  Stop.
make[2]: Leaving directory '/usr/src/tmp/sems-pbx/apps/mobile_push'
make[1]: *** [Makefile:30: clean] Error 2
make[1]: Leaving directory '/usr/src/tmp/sems-pbx/apps'
make: *** [Makefile:16: clean] Error 2

Change-Id: I804c9575bbdf43d0903f161632d4493fd7cf8852

apps/mobile_push/Makefile

@@ -0,0 +1,26 @@
+plug_in_name = mobile_push
+
+module_ldflags =
+module_cflags  =
+
+# Uncomment last two lines if you want to keep audio in MySQL database.
+# You must also install MySQL++ development files and libraries
+# (http://www.tangentsoft.net/mysql++/).
+#
+# If your MySQL++ version is older than 2.2, you must insert
+#
+#       const std::string & raw_string(int i) const
+#       {
+#               return data_[i];
+#       }
+#
+# in /usr/include/mysql++/row.h.
+#
+# If your MySQL++ version is less than 3.0.0, you must add -DVERSION2
+# to module_flags below.
+#
+#module_ldflags = -lmysqlpp
+#module_cflags  = -DUSE_MYSQL -I/usr/include/mysql++ -I/usr/include/mysql
+
+COREPATH ?=../../core
+include $(COREPATH)/plug-in/Makefile.app_module