[coreboot-gerrit] Change in coreboot[master]: mb: Use common Winbond W83627DHG config entry/exit functions

[Paul Menzel (Code Review)]

Paul Menzel has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/40964 )

Change subject: mb: Use common Winbond W83627DHG config entry/exit functions
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Patch Set 5:

Build failures:

```
    CC         bootblock/superio/smsc/smscsuperio/early_serial.o
src/superio/smsc/smscsuperio/early_serial.c:14:13: error: static declaration of 'pnp_enter_conf_state' follows non-static declaration
 static void pnp_enter_conf_state(pnp_devfn_t dev)
             ^~~~~~~~~~~~~~~~~~~~
In file included from src/superio/smsc/smscsuperio/early_serial.c:4:
src/include/device/pnp_ops.h:12:6: note: previous declaration of 'pnp_enter_conf_state' was here
 void pnp_enter_conf_state(pnp_devfn_t dev);
      ^~~~~~~~~~~~~~~~~~~~
src/superio/smsc/smscsuperio/early_serial.c:21:13: error: static declaration of 'pnp_exit_conf_state' follows non-static declaration
 static void pnp_exit_conf_state(pnp_devfn_t dev)
             ^~~~~~~~~~~~~~~~~~~
In file included from src/superio/smsc/smscsuperio/early_serial.c:4:
src/include/device/pnp_ops.h:13:6: note: previous declaration of 'pnp_exit_conf_state' was here
 void pnp_exit_conf_state(pnp_devfn_t dev);
      ^~~~~~~~~~~~~~~~~~~
```