Tested with `./configure --enable-cryptonly --disable-examples --disable-rsa --disable-dh CFLAGS="-DWOLFSSL_NO_MALLOC -DBENCH_EMBEDDED" && make check`. All ECC operations can work now with WOLFSSL_NO_MALLOC and variables will be on stack. ZD 11829
Tested with `./configure --enable-cryptonly --disable-examples --disable-rsa --disable-dh CFLAGS="-DWOLFSSL_NO_MALLOC -DBENCH_EMBEDDED" && make check`. All ECC operations can work now with WOLFSSL_NO_MALLOC and variables will be on stack. ZD 11829