platform/x86: intel_scu_wdt: Drop mistakenly added const

Neither original structure nor platform_data is declared with const.
Drop mistakenly added const when assing platform_data.

Fixes: a507e5d90f3d ("platform/x86: intel_scu_wdt: Get rid of custom x86 model comparison")
Reported-by: Stephen Rothwell <[e-mail]>
Signed-off-by: Andy Shevchenko <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Hans de Goede <[e-mail]>

drivers/platform/x86/intel_scu_wdt.c

···
 	if (!id)
 		return -ENODEV;
 
-	wdt_dev.dev.platform_data = (const struct intel_mid_wdt_pdata *)id->driver_data;
+	wdt_dev.dev.platform_data = (struct intel_mid_wdt_pdata *)id->driver_data;
 	return platform_device_register(&wdt_dev);
 }
 arch_initcall(register_mid_wdt);