Improve dirnext() calls in both PFS and HFS devoptab wrappers to make them also return bogus "." and ".." directory entries.
The "st_ino" field is now also being filled for all file entries.
Other changes include:
* libs: update libusbhsfs.
This commit implements a devoptab wrapper for Partition FS sections within NCAs, using code from pfs.c/h.
Other changes include:
* codebase: use NX_IGNORE_ARG macro where needed.
* hfs: slight tweaks to some of the static functions.
* pfs: slight tweaks to some of the static functions.
* pfs: use pfsIsValidContext() where needed.
* utils: update utilsInitializeResources() to use __system_argc and __system_argv variables from libnx.
* todo: update text file.