riscv: Documentation: add a description about dynamic ftrace

Add a section in cmodx to describe how dynamic ftrace works on riscv,
limitations, and assumptions.

Signed-off-by: Andy Chiu <andybnac@gmail.com>
Link: https://lore.kernel.org/r/20250407180838.42877-12-andybnac@gmail.com
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
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Andy Chiu 2025-04-08 02:08:36 +08:00 • committed by Palmer Dabbelt
commit d8ac85dad4
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