Remove the programming switch of the M1217

As we do only shadowing, it's not really needed.

src/chipset/ali1217.c

@@ -8,7 +8,8 @@
  *
  *		Implementation of the ALi M1217 chipset.
  *
- *
+ *      Note: This chipset has no datasheet, everything were done via
+ *      reverse engineering the BIOS of various machines using it.
  *
  *      Authors: Tiseno100
  *
@@ -90,13 +91,9 @@ ali1217_write(uint16_t addr, uint8_t val, void *priv)
         if (!dev->cfg_locked)
         {
             dev->regs[dev->index] = val;
-            switch (dev->index)
+
-            {
+            if ((dev->index == 0x14) || (dev->index == 0x15))
-            case 0x14:
-            case 0x15:
                 ali1217_shadow_recalc(dev);
-                break;
-            }
         }
         break;
     }