libtinyxml2: allow to build both shared and static libraries

E.g. if we want to build uuu statically, libtinyxml2 static library is
missing as it builds only the shared library by default.

Signed-off-by: Fathi Boudra <fathi.boudra@linaro.org>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-support/libtinyxml2/libtinyxml2_10.0.0.bb

@@ -12,7 +12,10 @@ S = "${WORKDIR}/git"
 
 inherit meson ptest
 
-EXTRA_OEMESON += "${@bb.utils.contains('PTEST_ENABLED', '1', '-Dtests=true', '', d)}"
+EXTRA_OEMESON += " \
+    ${@bb.utils.contains('PTEST_ENABLED', '1', '-Dtests=true', '', d)} \
+    -Ddefault_library=both \
+"
 
 CXXFLAGS:append:libc-musl = " -D_LARGEFILE64_SOURCE"