i2c: ocores: update HDL sources URL

The URL is broken. This patch fixes it.
Signed-off-by: NFederico Vaga <federico.vaga@vaga.pv.it>
[wsa: shortened the URL a bit]
Signed-off-by: NWolfram Sang <wsa@the-dreams.de>

Documentation/i2c/busses/i2c-ocores

@@ -2,7 +2,7 @@ Kernel driver i2c-ocores
 
 Supported adapters:
   * OpenCores.org I2C controller by Richard Herveille (see datasheet link)
-    Datasheet: http://www.opencores.org/projects.cgi/web/i2c/overview
+    https://opencores.org/project/i2c/overview
 
 Author: Peter Korsgaard <jacmet@sunsite.dk>
 

drivers/i2c/busses/i2c-ocores.c

 /*
  * i2c-ocores.c: I2C bus driver for OpenCores I2C controller
- * (http://www.opencores.org/projects.cgi/web/i2c/overview).
+ * (https://opencores.org/project/i2c/overview)
  *
  * Peter Korsgaard <jacmet@sunsite.dk>
  *