Ideally the author or someone 'in the know' should come back and
provide the remainder of the documentation. Until the kerneldoc
checkers have been satisfied, let's just demote the header to a
standard comment block.
Fixes the following W=1 kernel build warning(s):
sound/soc/samsung/pcm.c:127: warning: Function parameter or member 'lock' not described in 's3c_pcm_info'
sound/soc/samsung/pcm.c:127: warning: Function parameter or member 'sclk_per_fs' not described in 's3c_pcm_info'
sound/soc/samsung/pcm.c:127: warning: Function parameter or member 'idleclk' not described in 's3c_pcm_info'
sound/soc/samsung/pcm.c:127: warning: Function parameter or member 'pclk' not described in 's3c_pcm_info'
sound/soc/samsung/pcm.c:127: warning: Function parameter or member 'cclk' not described in 's3c_pcm_info'