bis: Pull latest lockpick driver and refactor it

- Refactor various variables and functions
- Flush whole cache when full
- Allow cache to be disabled
- Add support for raw emuMMC in nyx contenxt
- Use partition names for keys (to avoid issues with different ordering)
- Add deinit function that flushes the whole cache
- Change bis lookup address
- Halve cache size to 256MB in order to support 512MB ramdisk also.

Co-Authored-By: shchmue <7903403+shchmue@users.noreply.github.com>

nyx/nyx_gui/frontend/gui_info.c

@@ -413,8 +413,10 @@ t210b01:;
 	LIST_INIT(gpt);
 	nx_emmc_gpt_parse(&gpt, &emmc_storage);
 	emmc_part_t *cal0_part = nx_emmc_part_find(&gpt, "PRODINFO"); // check if null
-	nx_emmc_bis_init(cal0_part);
+	nx_emmc_bis_init(cal0_part, false, 0);
 	nx_emmc_bis_read(0, 0x40, cal0_buf);
+	nx_emmc_bis_end();
+	nx_emmc_gpt_free(&gpt);
 
 	// Clear BIS keys slots and reinstate SBK.
 	hos_bis_keys_clear();