xtensa: add fsf_2014 variant

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
xtensa: xtfpga: add i2c host controller to xtfpga dts

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
WIP: xtensa: xtfpga: add sound card to xtfpga dts

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
WIP: ASoC: xtfpga: sound card clk master

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

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

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