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: NFabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: NMike Turquette <mturquette@linaro.org>