ACPI: Fix whitespace inconsistencies

Replaces spaces with tabs where spaces have been (inconsistently) used
for indentation and removes trailing whitespaces.
Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/acpi/sbshc.h

@@ -24,9 +24,9 @@ enum acpi_sbs_device_addr {
 typedef void (*smbus_alarm_callback)(void *context);
 
 extern int acpi_smbus_read(struct acpi_smb_hc *hc, u8 protocol, u8 address,
-	       u8 command, u8 * data);
+		u8 command, u8 *data);
 extern int acpi_smbus_write(struct acpi_smb_hc *hc, u8 protocol, u8 slave_address,
-		u8 command, u8 * data, u8 length);
+		u8 command, u8 *data, u8 length);
 extern int acpi_smbus_register_callback(struct acpi_smb_hc *hc,
 		smbus_alarm_callback callback, void *context);
 extern int acpi_smbus_unregister_callback(struct acpi_smb_hc *hc);