add enum to ta flags

[muvarov]

If we compile this TA into OPTEE-OS we need to define a flag that this TA can be discovered on the optee bus.

Signed-off-by: Maxim Uvarov maxim.uvarov@linaro.org

[jan-kiszka]

As development seem to have moved on to https://github.com/Microsoft/ms-tpm-20-ref, will you submit this long-needed patch there eventually, @muvarov?

[muvarov]

@jan-kiszka ok.