platform/chrome: cros_ec: Make some symbols static

Fix sparse warning:

drivers/platform/chrome/cros_ec_debugfs.c:256:30: warning: symbol 'cros_ec_console_log_fops' was not declared. Should it be static?
drivers/platform/chrome/cros_ec_debugfs.c:265:30: warning: symbol 'cros_ec_pdinfo_fops' was not declared. Should it be static?
drivers/platform/chrome/cros_ec_lightbar.c:550:24: warning: symbol 'cros_ec_lightbar_attr_group' was not declared. Should it be static?
drivers/platform/chrome/cros_ec_sysfs.c:338:24: warning: symbol 'cros_ec_attr_group' was not declared. Should it be static?
drivers/platform/chrome/cros_ec_vbc.c:104:24: warning: symbol 'cros_ec_vbc_attr_group' was not declared. Should it be static?
drivers/platform/chrome/cros_ec_lpc.c:408:25: warning: symbol 'cros_ec_lpc_pm_ops' was not declared. Should it be static?
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>

drivers/platform/chrome/cros_ec_debugfs.c

@@ -241,7 +241,7 @@ static ssize_t cros_ec_pdinfo_read(struct file *file,
 				       read_buf, p - read_buf);
 }
 
-const struct file_operations cros_ec_console_log_fops = {
+static const struct file_operations cros_ec_console_log_fops = {
 	.owner = THIS_MODULE,
 	.open = cros_ec_console_log_open,
 	.read = cros_ec_console_log_read,
@@ -250,7 +250,7 @@ const struct file_operations cros_ec_console_log_fops = {
 	.release = cros_ec_console_log_release,
 };
 
-const struct file_operations cros_ec_pdinfo_fops = {
+static const struct file_operations cros_ec_pdinfo_fops = {
 	.owner = THIS_MODULE,
 	.open = simple_open,
 	.read = cros_ec_pdinfo_read,

drivers/platform/chrome/cros_ec_lightbar.c

@@ -547,7 +547,7 @@ static struct attribute *__lb_cmds_attrs[] = {
 	NULL,
 };
 
-struct attribute_group cros_ec_lightbar_attr_group = {
+static struct attribute_group cros_ec_lightbar_attr_group = {
 	.name = "lightbar",
 	.attrs = __lb_cmds_attrs,
 };

drivers/platform/chrome/cros_ec_lpc.c

@@ -405,7 +405,7 @@ static int cros_ec_lpc_resume(struct device *dev)
 }
 #endif
 
-const struct dev_pm_ops cros_ec_lpc_pm_ops = {
+static const struct dev_pm_ops cros_ec_lpc_pm_ops = {
 	SET_LATE_SYSTEM_SLEEP_PM_OPS(cros_ec_lpc_suspend, cros_ec_lpc_resume)
 };
 

drivers/platform/chrome/cros_ec_sysfs.c

@@ -335,7 +335,7 @@ static umode_t cros_ec_ctrl_visible(struct kobject *kobj,
 	return a->mode;
 }
 
-struct attribute_group cros_ec_attr_group = {
+static struct attribute_group cros_ec_attr_group = {
 	.attrs = __ec_attrs,
 	.is_visible = cros_ec_ctrl_visible,
 };

drivers/platform/chrome/cros_ec_vbc.c

@@ -101,7 +101,7 @@ static struct bin_attribute *cros_ec_vbc_bin_attrs[] = {
 	NULL
 };
 
-struct attribute_group cros_ec_vbc_attr_group = {
+static struct attribute_group cros_ec_vbc_attr_group = {
 	.name = "vbc",
 	.bin_attrs = cros_ec_vbc_bin_attrs,
 };