ASoC: max98390: Fix potential crash during param fw loading

 malformed firmware file can cause out-of-bound access and crash
 during dsm_param bin loading.
  - add MIN/MAX param size to avoid out-of-bound access.
  - read start addr and size of param and check bound.
  - add condition that fw->size > param_size + _PAYLOAD_OFFSET
    to confirm enough data.

Signed-off-by: Steve Lee <steves.lee@maximintegrated.com>
Link: https://lore.kernel.org/r/20200604054731.21140-1-steves.lee@maximintegrated.com
Signed-off-by: Mark Brown <broonie@kernel.org>