libcamera: pipeline: Add Mali-C55 ISP pipeline

Add a pipeline handler for the Mali-C55 ISP.

The pipeline doesn't currently support an IPA and does not run
any 3a algorithm but only handles the media graph topology and
formats/sizes configuration

Co-developed-by: Daniel Scally <dan.scally@ideasonboard.com>
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Acked-by: Nayden Kanchev <nayden.kanchev@arm.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

meson.build

@@ -198,6 +198,7 @@ arch_x86 = ['x86', 'x86_64']
 pipelines_support = {
     'imx8-isi':     arch_arm,
     'ipu3':         arch_x86,
+    'mali-c55':     arch_arm,
     'rkisp1':       arch_arm,
     'rpi/vc4':      arch_arm,
     'simple':       arch_arm,

meson_options.txt

@@ -43,6 +43,7 @@ option('pipelines',
             'auto',
             'imx8-isi',
             'ipu3',
+            'mali-c55',
             'rkisp1',
             'rpi/vc4',
             'simple',

src/libcamera/pipeline/mali-c55/meson.build

@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: CC0-1.0
+
+libcamera_sources += files([
+    'mali-c55.cpp'
+])