arm64: Add HAVE_REGS_AND_STACK_ACCESS_API feature
commit
0a8ea52c3eb157dd65e224fc95b7c9c99fcba9f7 upstream.
Add HAVE_REGS_AND_STACK_ACCESS_API feature for arm64, including supporting
functions and defines.
[dave.long@linaro.org: Remove irq stack reference and use of bug.h
inside arch/arm64/include/asm/ptrace.h. ]
Signed-off-by: David A. Long <dave.long@linaro.org>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
[catalin.marinas@arm.com: Remove unused functions]
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>