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/awb.hpp

@@ -14,7 +14,7 @@
 #include "../pwl.hpp"
 #include "../awb_status.h"
 
-namespace RPi {
+namespace RPiController {
 
 // Control algorithm to perform AWB calculations.
 
@@ -175,4 +175,4 @@ static inline Awb::RGB operator*(Awb::RGB const &rgb, double d)
 	return d * rgb;
 }
 
-} // namespace RPi
+} // namespace RPiController