superio/smsc: pass the chip-specific ops struct to pnp_enable_devices

Pass the address of the chip-specific ops struct instead of the one of the
generic pnp_ops struct to the PNP device enable function.
This allows the removal of the LDN-specific ops overrides which is also done in
this patch.

Change-Id: I16e485494e448ae02e0a7b9e21b90ddbb1a53a4b
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-on: https://review.coreboot.org/23007
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>

src/superio/smsc/sio1036/superio.c

@@ -41,7 +41,7 @@ static struct device_operations ops = {
 };
 
 static struct pnp_info pnp_dev_info[] = {
-	{ &ops, SIO1036_SP1,  PNP_IO0 | PNP_IRQ0, 0x07f8, },
+	{ NULL, SIO1036_SP1,  PNP_IO0 | PNP_IRQ0, 0x07f8, },
 };
 
 static void enable_dev(struct device *dev)