dts: Add 'inline' to dts_get_lower_channels_from_ls_mask32().
dts: Add 'inline' to dts_get_lower_channels_from_ls_mask32().

silverfilain/L-SMASH,canbal/l-smash,l-smash/l-smash,silverfilain/L-SMASH,maki-rxrz/L-SMASH,l-smash/l-smash,maki-rxrz/L-SMASH,mstorsjo/l-smash,dwbuiten/l-smash,dwbuiten/l-smash,silverfilain/L-SMASH,mstorsjo/l-smash,canbal/l-smash,l-smash/l-smash