dt-bindings: fpga: Add Technologic Systems TS-7300 FPGA Manager

dt-bindings: fpga: Add Technologic Systems TS-7300 FPGA Manager

Add device tree binding documentation for the Altera Cyclone II FPGA
found on Technologic Systems (now EmbeddedTS) TS-7300 boards, programmed
via the memory-mapped interface in the CPLD.

Signed-off-by: Phil Pemberton <philpem@philpem.me.uk>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260409122016.3940462-2-philpem@philpem.me.uk
Signed-off-by: Xu Yilun <yilun.xu@linux.intel.com>