tests: settings: file_littlefs: fix comment about LittleFS
Fix a leftover from copy-pasted NFFS tests:
* s/NFFS/LittleFS/
* s/strcut/struct/
#define LITTLEFS_PARTITION littlefs_dev
#define LITTLEFS_PARTITION_ID FIXED_PARTITION_ID(LITTLEFS_PARTITION)
-/* NFFS work area strcut */
+/* LittleFS work area struct */
FS_LITTLEFS_DECLARE_DEFAULT_CONFIG(cstorage);
static struct fs_mount_t littlefs_mnt = {
.type = FS_LITTLEFS,
