ec/google/chromeec: Fix dev ops for chromeec

CB:38541 ("ec/google/chromeec: Add SSDT generator for ChromeOS EC")
added a new device_operations structure for chromeec for handling ACPI
SSDT generation. However, this resulted in the original
device_operations which handled lpc read resources to be skipped. This
change fixes the above regression by combining the device operations
for reading resources and ACPI SSDT generation into a single structure
and retains the old logic for enabling of pnp devices.

Signed-off-by: Furquan Shaikh <furquan@google.com>
Change-Id: I3a242f4b15603f957e0e81d121e5766fccf3c28d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39321
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-by: Nico Huber <nico.h@gmx.de>

src/ec/google/chromeec/ec.h

@@ -350,9 +350,4 @@ const char *google_chromeec_acpi_name(const struct device *dev);
 
 #endif /* HAVE_ACPI_TABLES */
 
-/*
- * Allows bus-specific EC code to perform actions when the device is enabled.
- */
-void google_ec_enable_extra(struct device *dev);
-
 #endif /* _EC_GOOGLE_CHROMEEC_EC_H */