ympd: bump to version 1.3.0
Remove mkdata hook as this is not needed since version 1.2.3.
Indeed, when CMAKE_CROSSCOMPILING is defined, ympd will use a perl
script (mkdata.pl) instead of mkdata binary
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>