ipa: raspberrypi: Rename the controller namespace from Rpi to RpiController

This avoids a namespace clash with the RPi namespace used by the ipa and
pipeline handlers, and cleans up the syntax slightly.

There are no functional changes in this commit.

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

src/ipa/raspberrypi/md_parser.hpp

@@ -50,7 +50,7 @@ parser->Reset();
 
 before calling Parse again. */
 
-namespace RPi {
+namespace RPiController {
 
 // Abstract base class from which other metadata parsers are derived.