A new HDD Request Management framework is being deployed. One of the
requirements of that framework is that every request API must have a
provision for a caller-supplied context, and that caller-supplied
context must be returned to the caller when the callback function is
invoked.
Currently sme_encrypt_decrypt_msg() is not aligned with that
requirement. There is no provision for a caller-supplied context;
instead the HDD handle which is stored in the MAC context is always
returned.
In order to prepare sme_encrypt_decrypt_msg() for the HDD Request
Management framework update the curent implementation as follows:
1) Remove the separate registration and deregistration of the callback
function pointer, and instead make the callback function and
callback context parameters to sme_encrypt_decrypt_msg().
2) Pass the callback context when invoking the callback function.
Change-Id: I6e8c5405393f4cb732d9874ac07145caf5e95cac
CRs-Fixed: 2000026
e8216e8705