rtc: pcf85063: Fix the datasheet URL

The current datasheet URL is no longer valid.

Replace with a valid one.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20210603143447.2223353-2-festevam@gmail.com

drivers/rtc/rtc-pcf85063.c

@@ -21,8 +21,8 @@
 /*
  * Information for this driver was pulled from the following datasheets.
  *
- *  https://www.nxp.com/documents/data_sheet/PCF85063A.pdf
- *  https://www.nxp.com/documents/data_sheet/PCF85063TP.pdf
+ *  https://www.nxp.com/docs/en/data-sheet/PCF85063A.pdf
+ *  https://www.nxp.com/docs/en/data-sheet/PCF85063TP.pdf
  *
  *  PCF85063A -- Rev. 6 — 18 November 2015
  *  PCF85063TP -- Rev. 4 — 6 May 2015