ASoC: Intel: avs: Fix for recovery procedure and new size-checks

Cezary Rojewski <cezary.rojewski@intel.com> says:

The first change addresses XRUN recovery for HDA-Link i.e.: BackEnd
side of a HDAudio stream.

It is the BE side equivalent of job done previously for FE side only
with commit cfca1637bc2b ("ASoC: Intel: avs: Unprepare a stream when
XRUN occurs") and its follow up titled: ("ASoC: Intel: avs: Reset the
stream unless it is already prepared") [1].

The next fix problems found by static analyzers. Additional size checks
for topology and a fix for module underflow should a DSP-module be
unloaded on the DSP side in unexpected fashion. Theoretically that's not
possible without a corrupted firmware, but the if-statement is already
there, just a dev_warn() though.

[1]: https://lore.kernel.org/linux-sound/20261010103753.16969-1-stiraspo@gmail.com/

Link: https://patch.msgid.link/20261015190240.729793-1-cezary.rojewski@intel.com

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