s390/pci: Drop unneeded reference to CONFIG_DMI

The S/390 architecture doesn't support SMBIOS, so CONFIG_DMI will
never be defined there. So we can simply omit these preprocessing
directives and speed up the build a bit.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Niklas Schnelle <schnelle@linux.ibm.com>
Cc: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Acked-by: Niklas Schnelle <schnelle@linux.ibm.com>
Link: https://lore.kernel.org/r/20240423162724.3966265a@endymion.delvareSigned-off-by: Alexander Gordeev <agordeev@linux.ibm.com>

arch/s390/pci/pci_sysfs.c

@@ -172,7 +172,6 @@ static ssize_t uid_is_unique_show(struct device *dev,
 }
 static DEVICE_ATTR_RO(uid_is_unique);
 
-#ifndef CONFIG_DMI
 /* analogous to smbios index */
 static ssize_t index_show(struct device *dev,
 			  struct device_attribute *attr, char *buf)
@@ -202,7 +201,6 @@ static struct attribute_group zpci_ident_attr_group = {
 	.attrs = zpci_ident_attrs,
 	.is_visible = zpci_index_is_visible,
 };
-#endif
 
 static struct bin_attribute *zpci_bin_attrs[] = {
 	&bin_attr_util_string,
@@ -245,8 +243,6 @@ static struct attribute_group pfip_attr_group = {
 const struct attribute_group *zpci_attr_groups[] = {
 	&zpci_attr_group,
 	&pfip_attr_group,
-#ifndef CONFIG_DMI
 	&zpci_ident_attr_group,
-#endif
 	NULL,
 };