Softbus implements "Distributed Communication Subsystem".
This commit provides initial recipe to build softbus
using bitbake and link it to the foundation application.

The functionality hasn't been tested (only build) so when
Softbus is actually used some missing bits may appear.

Signed-off-by: Zbigniew Bodek <zbigniew.bodek@huawei.com>

C library that implements cryptographic primitives,
X.509 certificate manipulation and the SSL/TLS and DTLS protocols.
Small footprint - suitable for embedded systems.

Adding another Softbus requirement.

Signed-off-by: Zbigniew Bodek <zbigniew.bodek@huawei.com>

Softbus depends on IAM so it needs to be added
to the build.

Signed-off-by: Zbigniew Bodek <zbigniew.bodek@huawei.com>

HiChain is a dependency for Softbus so it needs to be introduced
to the build system.

Signed-off-by: Zbigniew Bodek <zbigniew.bodek@huawei.com>

ohos-thirdparty and ohos-common are now a part
of the current layer so this leftover will break the build.

Signed-off-by: Zbigniew Bodek <zbigniew.bodek@huawei.com>

Two REDAME.md merged into one; all thirdparty recipes gatherd
inside meta-ohos-foundation subirectory

Signed-off-by: Robert Drab <robert.drab@huawei.com>

Two REDAME.md merged into one; all recipes gatherd inside
meta-ohos-foundation subirectory

Signed-off-by: Robert Drab <robert.drab@huawei.com>

Moving all files to subdirectory prior to repository merge.

Signed-off-by: Robert Drab <robert.drab@huawei.com>