cyrus-sasl2: add 2.1.26

I took recipe from OE classic, updated, cleaned and got it build. I use
it only as build dependency - did not checked binaries from ${PN}-bin.

There are RPATH problems to solve:

WARNING: QA Issue: package cyrus-sasl-bin contains bad RPATH
/home/hrw/HDD/devel/canonical/aarch64/openembedded/build/tmp-eglibc/sysroots/genericarmv8/usr/lib
in file
/home/hrw/HDD/devel/canonical/aarch64/openembedded/build/tmp-eglibc/work/aarch64-oe-linux/cyrus-sasl/2.1.26-r0/packages-split/cyrus-sasl-bin/usr/sbin/saslpasswd2
WARNING: QA Issue: package cyrus-sasl-bin contains bad RPATH
/home/hrw/HDD/devel/canonical/aarch64/openembedded/build/tmp-eglibc/sysroots/genericarmv8/usr/lib
in file
/home/hrw/HDD/devel/canonical/aarch64/openembedded/build/tmp-eglibc/work/aarch64-oe-linux/cyrus-sasl/2.1.26-r0/packages-split/cyrus-sasl-bin/usr/sbin/pluginviewer
WARNING: QA Issue: package cyrus-sasl-bin contains bad RPATH
/home/hrw/HDD/devel/canonical/aarch64/openembedded/build/tmp-eglibc/sysroots/genericarmv8/usr/lib
in file
/home/hrw/HDD/devel/canonical/aarch64/openembedded/build/tmp-eglibc/work/aarch64-oe-linux/cyrus-sasl/2.1.26-r0/packages-split/cyrus-sasl-bin/usr/sbin/sasldblistusers2
WARNING: QA Issue: package cyrus-sasl contains bad RPATH
/home/hrw/HDD/devel/canonical/aarch64/openembedded/build/tmp-eglibc/sysroots/genericarmv8/usr/lib
in file
/home/hrw/HDD/devel/canonical/aarch64/openembedded/build/tmp-eglibc/work/aarch64-oe-linux/cyrus-sasl/2.1.26-r0/packages-split/cyrus-sasl/usr/lib/sasl2/libsasldb.so.3.0.0

Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>