pali authored Jul 21, 2019 and Tanu Kaskinen committed Jul 24, 2019

Rename struct rtp_payload to rtp_sbc_payload as it is specific for SBC
codec payload.

Add proper checks for endianity in rtp.h header and use uint8_t type
where appropriated.

Field frame_count is only 4 bit number, so add checks to prevent overflow.

And because is_fragmented field is not parsed by decoder there is no
support for decoding fragmented SBC frames. So throw an error in this case.