x86: Add bindings for NHLT

Add devicetree bindings for the Intel Non-High-Definition-Audio Link Table
(NHLT).

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
1 file changed