DEVELOPERS: add myself to some packages

Add my entry to cairo, liboping, libpfm4, libraw, libraw1394, libroxml,
librsvg, librsync, mbedtls and oprofile

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>