topology2: pipelines: cavs: Add missing num_audio_formats for gains

[ujfalusi]

Commit 773a05a ("topology2: add S24LE support") removed the default
1 from include/gain.conf but failed to add it to the pipeline config files.

This causes topology parsing error since the supported audio formats count
is invalid in these cases.

Signed-off-by: Peter Ujfalusi peter.ujfalusi@linux.intel.com

[ujfalusi]

@lgirdwood, this patch fixes the regression showing up since yesterday in CI's IPC4 daily tests.

snd_sof:sof_widget_ready: sof-audio-pci-intel-tgl 0000:00:1f.3: tplg: ready widget id 2 pipe 1 type 6 name : gain.1.1 stream none
sof-audio-pci-intel-tgl 0000:00:1f.3: Invalid audio format count for gain.1.1
sof-audio-pci-intel-tgl 0000:00:1f.3: error: failed to add widget id 0 type 6 name : gain.1.1 stream none
skl_hda_dsp_generic skl_hda_dsp_generic: ASoC: failed to load widget gain.1.1
skl_hda_dsp_generic skl_hda_dsp_generic: ASoC: topology: could not load header: -22
sof-audio-pci-intel-tgl 0000:00:1f.3: error: tplg component load failed -22
sof-audio-pci-intel-tgl 0000:00:1f.3: error: failed to load DSP topology -22
sof-audio-pci-intel-tgl 0000:00:1f.3: ASoC: error at snd_soc_component_probe on 0000:00:1f.3: -22
skl_hda_dsp_generic skl_hda_dsp_generic: ASoC: failed to instantiate card -22
skl_hda_dsp_generic: probe of skl_hda_dsp_generic failed with error -22

[ujfalusi]

#5975 is created already by @aiChaoSONG, closing this as duplicate