Drop unnecessary DEVICE_NOOP entries

Providing an explicit no-op function pointer is only necessary for
`.read_resources` and `.set_resources`. All other device-operation
pointers are optional and can be NULL.

Change-Id: I3d139f7be86180558cabec04b8566873062e33be
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40206
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/ec/compal/ene932/ec.c

@@ -123,7 +123,6 @@ static void ene932_init(struct device *dev)
 static struct device_operations ops = {
 	.init             = ene932_init,
 	.read_resources   = DEVICE_NOOP,
-	.enable_resources = DEVICE_NOOP,
 };
 
 static struct pnp_info pnp_dev_info[] = {

src/ec/google/chromeec/ec_lpc.c

@@ -438,7 +438,6 @@ static void lpc_ec_read_resources(struct device *dev)
 static struct device_operations ops = {
 	.init             = lpc_ec_init,
 	.read_resources   = lpc_ec_read_resources,
-	.enable_resources = DEVICE_NOOP,
 	.set_resources    = DEVICE_NOOP,
 #if CONFIG(HAVE_ACPI_TABLES)
 	.acpi_name        = google_chromeec_acpi_name,

src/ec/google/wilco/chip.c

@@ -219,7 +219,6 @@ static const char *wilco_ec_acpi_name(const struct device *dev)
 static struct device_operations ops = {
 	.init			= wilco_ec_init,
 	.read_resources		= wilco_ec_read_resources,
-	.enable_resources	= DEVICE_NOOP,
 	.set_resources		= DEVICE_NOOP,
 	.acpi_fill_ssdt		= wilco_ec_fill_ssdt_generator,
 	.acpi_name		= wilco_ec_acpi_name,

src/ec/quanta/ene_kb3940q/ec.c

@@ -133,7 +133,6 @@ static void ene_kb3940q_init(struct device *dev)
 static struct device_operations ops = {
 	.init             = ene_kb3940q_init,
 	.read_resources   = DEVICE_NOOP,
-	.enable_resources = DEVICE_NOOP,
 };
 
 static struct pnp_info pnp_dev_info[] = {

src/ec/quanta/it8518/ec.c

@@ -147,7 +147,6 @@ static void it8518_init(struct device *dev)
 static struct device_operations ops = {
 	.init             = it8518_init,
 	.read_resources   = DEVICE_NOOP,
-	.enable_resources = DEVICE_NOOP,
 };
 
 static struct pnp_info pnp_dev_info[] = {

src/ec/roda/it8518/ec.c

@@ -36,7 +36,6 @@ static void it8518_init(struct device *dev)
 static struct device_operations ops = {
 	.init             = it8518_init,
 	.read_resources   = DEVICE_NOOP,
-	.enable_resources = DEVICE_NOOP,
 };
 
 static struct pnp_info pnp_dev_info[] = {