xtensa: update FSF variant

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
xtensa: add test_kc705 variant

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
xtensa: add Three Core HiFi-2 MX Variant.

This variant is equipped with MX and is capable of running SMP linux.

Signed-off-by: Piet Delaney <piet.delaney@gmail.com>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
xtensa: add test_kc705_ca variant

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
xtensa: add test_kc705_hifi variant

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
xtensa: add support for KC705

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
xtensa: xtfpga: introduce SoC I/O bus

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
WIP: xtensa: xtfpga: add CY7C67300 USB controller support

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: clock driver

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
WIP: spi: add xtfpga SPI controller driver

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
ASoC: tlv320aic23: add support for SPI control

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