Introduce cmake SET_WOLFSSL_DEFINITIONS; Add Kyber and OQS

[gojimmypi]

Description

This PR adds a new cmake helper function SET_WOLFSSL_DEFINITIONS and adds support for Kyber and LIBOQS as noted in https://github.com/wolfSSL/wolfssl/issues/7425

The additional items mentioned in the comments https://github.com/wolfSSL/wolfssl/issues/7425#issuecomment-2056780549 were move to the TODO section, not addressed in this PR:

#       - XMSS
#       - LMS
#       - dual-certs

See also the request in https://github.com/wolfSSL/wolfssl/issues/7427 and my cmake_policy CMP0128 NEW in https://github.com/wolfSSL/wolfssl/pull/7479.

Sample new cmake output:

-- Enabling WOLFSSL_EXPERIMENTAL_SETTINGS
-- Enabling WOLFSSL_EXPERIMENTAL_SETTINGS - success
-- Looking for WOLFSSL_OQS
-- Looking for WOLFSSL_OQS - not found
-- Looking for WOLFSSL_KYBER
-- Looking for WOLFSSL_KYBER - not found
-- Warning: WOLFSSL_EXPERIMENTAL enabled, but no experimental features enabled.

or

-- Looking for WOLFSSL_EXPERIMENTAL
-- Looking for WOLFSSL_EXPERIMENTAL - not found
CMake Error at CMakeLists.txt:678 (message):
  Error: WOLFSSL_OQS requires WOLFSSL_EXPERIMENTAL at this time.

-- Configuring incomplete, errors occurred!

See o-test.txt sample output from the o-test.sh script mentioned below.

Fixes zd# n/a

Testing

How did you test?

Tested on WSL using the example scripts noted in https://github.com/wolfSSL/wolfssl/issues/7425#issuecomment-2071177128 (see also this o-test.sh and sample output) such as:

rm -rf ./build

echo "--------------------------------"
echo "No OQS, No Experimental"
echo "--------------------------------"
cmake -Wno-dev -B build \
    -DCMAKE_INSTALL_PREFIX=/usr     \
    -DCMAKE_BUILD_TYPE=None         \
    -DWOLFSSL_CURVE25519=ON         \
    -DWOLFSSL_CURVE448=ON           \
    -DWOLFSSL_ED25519=ON            \
    -DWOLFSSL_ED448=ON              \
    -DWOLFSSL_REPRODUCIBLE_BUILD=ON \
    -DWOLFSSL_EXAMPLES=ON           \
    -DWOLFSSL_CRYPT_TESTS=ON        \
                                      || exit 1
cmake --build build --verbose

Checklist

• [ ] added tests
• [ ] updated/added doxygen
• [ ] updated appropriate READMEs
• [ ] Updated manual and documentation

[gojimmypi]

Jenkins retest this please.

[gojimmypi]

Jenkins retest this please