fix a series of Documentation/ broken file name references

As files move around, their previous links break. Fix the
references for them.
Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Acked-by: Jonathan Corbet <corbet@lwn.net>

Documentation/translations/zh_CN/io_ordering.txt

-Chinese translated version of Documentation/io_orderings.txt
+Chinese translated version of Documentation/io_ordering.txt
 
 If you have any comment or update to the content, please contact the
 original document maintainer directly.  However, if you have a problem

drivers/dma/dmaengine.c

@@ -38,7 +38,7 @@
  * Each device has a channels list, which runs unlocked but is never modified
  * once the device is registered, it's just setup by the driver.
  *
- * See Documentation/dmaengine.txt for more details
+ * See Documentation/driver-api/dmaengine for more details
  */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

drivers/platform/x86/Kconfig

@@ -1052,7 +1052,7 @@ config SAMSUNG_LAPTOP
 	  function keys, wireless LED, LCD backlight level.
 
 	  It may also provide some sysfs files described in
-	  <file:Documentation/ABI/testing/sysfs-platform-samsung-laptop>
+	  <file:Documentation/ABI/testing/sysfs-driver-samsung-laptop>
 
 	  To compile this driver as a module, choose M here: the module
 	  will be called samsung-laptop.

drivers/sbus/char/oradax.c

@@ -30,7 +30,7 @@
  * the recommended way for applications to use the coprocessor, and
  * the driver interface is not intended for general use.
  *
- * See Documentation/sparc/oradax/oracle_dax.txt for more details.
+ * See Documentation/sparc/oradax/oracle-dax.txt for more details.
  */
 
 #include <linux/uaccess.h>

fs/befs/ChangeLog

@@ -389,7 +389,7 @@ Version 0.4 (2001-10-28)
 	(fs/nls/Config.in)
 
 * Added Configure.help entries for CONFIG_BEFS_FS and CONFIG_DEBUG_BEFS
-	(Documentation/Configure.help)
+	(currently at fs/befs/Kconfig)
 
 2001-08-??
 ==========

fs/orangefs/orangefs-sysfs.c

 // SPDX-License-Identifier: GPL-2.0
 /*
- * Documentation/ABI/stable/orangefs-sysfs:
+ * Documentation/ABI/stable/sysfs-fs-orangefs:
  *
  * What:		/sys/fs/orangefs/perf_counter_reset
  * Date:		June 2015

include/linux/platform_data/sc18is602.h

@@ -7,7 +7,7 @@
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  *
- * For further information, see the Documentation/spi/sc18is602 file.
+ * For further information, see the Documentation/spi/spi-sc18is602 file.
  */
 
 /**

kernel/power/main.c

@@ -455,8 +455,9 @@ struct kobject *power_kobj;
  * state - control system sleep states.
  *
  * show() returns available sleep state labels, which may be "mem", "standby",
- * "freeze" and "disk" (hibernation).  See Documentation/power/states.txt for a
- * description of what they mean.
+ * "freeze" and "disk" (hibernation).
+ * See Documentation/admin-guide/pm/sleep-states.rst for a description of
+ * what they mean.
  *
  * store() accepts one of those strings, translates it into the proper
  * enumerated value, and initiates a suspend transition.