selftests: livepatch: rename KLP_SYSFS_DIR to SYSFS_KLP_DIR

This naming makes more sense according to the directory structure.
Especially when we later add more paths.

Addtionally replace `/sys/kernel/livepatch` with `$SYSFS_KLP_DIR` in
the livepatch test files.

Signed-off-by: Michael Vetter <[email protected]>
Reviewed-by: Miroslav Benes <[email protected]>
Reviewed-by: Joe Lawrence <[email protected]>
Tested-by: Marcos Paulo de Souza <[email protected]>
Reviewed-by: Marcos Paulo de Souza <[email protected]>
Reviewed-by: Petr Mladek <[email protected]>
Tested-by: Petr Mladek <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
[[email protected]: Fix corrupted substitution]
Signed-off-by: Petr Mladek <[email protected]>

0 files changed, 0 insertions, 0 deletions