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/controller/rpi/ccm.hpp

@@ -12,7 +12,7 @@
 #include "../ccm_algorithm.hpp"
 #include "../pwl.hpp"
 
-namespace RPi {
+namespace RPiController {
 
 // Algorithm to calculate colour matrix. Should be placed after AWB.
 
@@ -73,4 +73,4 @@ private:
 	std::atomic<double> saturation_;
 };
 
-} // namespace RPi
+} // namespace RPiController