openssl: fix add missing `make depend` command before `make` library

openssl: fix add missing `make depend` command before `make` library

Settings from EXTRA_OECONF like en/disable no-ssl3, are transferred
only into DEPFLAGS. It means that settings have no effect on output files.
DEPFLAGS will be transferred into output files with make depend command.

https://wiki.openssl.org/index.php/Compilation_and_Installation#Dependencies

Signed-off-by: Andrej Valek <andrej.valek@siemens.com>
Signed-off-by: Pascal Bach <pascal.bach@siemens.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>