build: merge libmm-common into libmm-glib

It's pointless to have libmm-common around, just merge it into libmm-glib and
make ModemManager depend on libmm-glib directly. At the end, the non-common
stuff in libmm-glib is really minimal.

cli/Makefile.am

@@ -5,9 +5,9 @@ mmcli_CPPFLAGS = \
 	-I$(top_srcdir) \
 	-I$(top_srcdir)/include \
 	-I$(top_builddir)/include \
-	-I$(top_srcdir)/libmm-common \
-	-I$(top_builddir)/libmm-common \
-	-I$(top_srcdir)/libmm-glib
+	-I$(top_srcdir)/libmm-glib \
+	-I${top_srcdir}/libmm-glib/generated \
+	-I${top_builddir}/libmm-glib/generated
 
 mmcli_SOURCES = \
 	mmcli.h \
@@ -29,5 +29,4 @@ mmcli_SOURCES = \
 
 mmcli_LDADD = \
 	$(MMCLI_LIBS) \
-	$(top_builddir)/libmm-common/libmm-common.la \
 	$(top_builddir)/libmm-glib/libmm-glib.la