clk: ux500: abx500-clk: rename ux500 audio codec aliases

Change soc-audio related clk_register_clkdev() device names to reflect
the ones actually used in current snd-soc-mop500 and ab8500-codec
drivers.

Cc: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>