Nyx: emuMMC Manage window, Tools UI, and misc updates

- Add gui_emu_tools: emuMMC Manage window with correct positioning (LV_PROTECT_PARENT + re-parent to win)
- Tools: single SD button (tap = SD partition manager, 3s hold = eMMC)
- Remove emuSD from Nyx UI (tabs, UMS, partition manager); keep bootloader emusd
- Shorten Create emuMMC description text by one character
- Storage/build/config and dependency updates

Co-authored-by: Cursor <cursoragent@cursor.com>

modules/simple_sample/module_sample.c

@@ -6,7 +6,7 @@
 #include <module.h>
 #include <gfx_utils.h>
 
-void mod_entry(void *moduleConfig, bdkParams_t bp)
+void _modInit(void *moduleConfig, bdkParams_t bp)
 {
 	memcpy(&gfx_con, bp->gfxCon, sizeof(gfx_con_t));
 	memcpy(&gfx_ctxt, bp->gfxCtx, sizeof(gfx_ctxt_t));