Documentation: features: refresh feature list
Run the update script to document the recent feature additions
on riscv, mips and csky.
Fixes: c109f42450
("csky: Add kmemleak support")
Fixes: 8b3165e545
("MIPS: Enable GCOV")
Fixes: 1ddc96bd42
("MIPS: kernel: Support extracting off-line stack traces from user-space with perf")
Fixes: 74784081aa
("riscv: Add uprobes supported")
Fixes: 829adda597
("riscv: Add KPROBES_ON_FTRACE supported")
Fixes: c22b0bcb1d
("riscv: Add kprobes supported")
Fixes: dcdc7a53a8
("RISC-V: Implement ptrace regs and stack API")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20210225142841.3385428-2-arnd@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>