vm: fix spelling mistake in error message

Signed-off-by: Ben Noordhuis <info@bnoordhuis.nl>
interpreter: fix const correctness warnings

Signed-off-by: Ben Noordhuis <info@bnoordhuis.nl>
kdebug: fix assignment type mismatch warning

Fixes a "assignment makes pointer from integer without a cast" warning.

Signed-off-by: Ben Noordhuis <info@bnoordhuis.nl>
kdebug: x86_64 support for event.regstr

Also change complation guard from "#ifdef" to "#if defined(x)",
to get rid of warning.

Signed-off-by: Ben Noordhuis <info@bnoordhuis.nl>
Signed-off-by: zhangwei(Jovi) <jovi.zhangwei@huawei.com>