xtensa: xtfpga: add sound card to xtfpga dts

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
clk: TI CDCE706 clock synthesizer driver

The driver allows using CDCE706 in its default configuration recorded in
EEPROM and adjusting of synthesized clocks by consumers.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
ASoC: add xtensa xtfpga I2S interface and platform

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>