ASoC: wm8955: Fix setting wrong register for WM8955_K_8_0_MASK bits

commit 12c350050538c7dc779c083b7342bfd20f74949c upstream.

WM8955_K_8_0_MASK bits is controlled by WM8955_PLL_CONTROL_3 rather than
WM8955_PLL_CONTROL_2.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>