hal: Avoid resampling when hifi audio is enabled

On internal codec, headset and speaker are on the same
backend. platform_check_codec_backend_cfg is wrongly
setting backend sample rate to 48 KHz when hifi audio
is enabled on headset.

Avoid resampling to default sample rate for headset
when hifi audio is enabled.

CRs-Fixed: 2210964
Change-Id: I170729fa286461f8de161fd4485a588a0303dac4