At Bin Meng's request, add the MIT license as an option for the SiFive
FU540 PRCI header file.
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Bin Meng <bmeng.cn@gmail.com>
Add preprocessor macros for the important PRCI output clocks
that are needed by both the FU540 PRCI driver and DT data.
Details are available in the FU540 manual in Chapter 7 of
https://static.dev.sifive.com/FU540-C000-v1.0.pdf
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>