Restore SoftSPI touch and exclusive VSPI for SD.

HW SPI remux froze touch at (0,4095) and broke SD; keep temperature UI map plus LVGL inverse feed.

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

firmware/cyd/VERSION.txt

@@ -1,5 +1,5 @@
 name: CYD TF card + touch speaker (cyd)
-git: d874cb1
+git: 156d9cf
 date: 2026-10-17
 board: ESP32-2432S028R (ILI9341)
 features: TF/SD info, SoftSPI touch, GPIO26 speaker
@@ -12,5 +12,5 @@ offsets:
 sha256:
   bootloader.bin  3D234A7471F67B013686DABD4DEE7C1FA915C9928463616A94BC9297ACF1ABF8
   boot_app0.bin   F94C5D786A7A8FAB06AC5D10E33BF37711A6697636DC037559EA19CC410A17F0
-  firmware.bin    51A8044247B56F0E95F118490189ECD6B05E0014ACE5607AC1A1FCD666466FDE
+  firmware.bin    3A23773415A312ABE3DAE81652F22C618A0839C8DCCA77B10AF16682DD5E2BD0
   partitions.bin  148B959CBFF1C38AA8E1D5C0BA9D612C54997B945E56A63F41223EEF650653A1