sound fixes for 4.1-rc2

One nice fix is Peter's patch to make the old good SB Audigy PCI to
work with 32bit DMA instead of 31bit.  This allows the MIDI synth
running on modern machines again.  Along with it, a few fixes for
emu10k1 have merged.

In ASoC side, there is one fix in the common code, but it's just
trivial additions of static inline functions for CONFIG_PM=n. The rest
are various device-specific small fixes.

Last but not least, a few HD-audio fixes are included, as usual, too.
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