ALSA: emu10k1: fix timer for E-MU cards at 44.1 kHz word clock

The timer was presuming a fixed 48 kHz word clock, like the rest of the
code.

Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
Link: https://lore.kernel.org/r/20230612191325.1315854-8-oswald.buddenhagen@gmx.de


Signed-off-by: Takashi Iwai <tiwai@suse.de>