Add cppcheck suppressions #1269

Job	Run time
clickable (Debug, amd64, glew)	11m 53s
clickable (Debug, amd64, sdl)	10m 30s
clickable (Debug, armhf, glew)	10m 30s
clickable (Debug, armhf, sdl)	9m 24s
clickable (Release, amd64, glew)	12m 1s
clickable (Release, amd64, sdl)	10m 3s
clickable (Release, arm64, glew)	11m 23s
clickable (Release, arm64, sdl)	11m 32s
clickable (Release, armhf, glew)	9m 39s
clickable (Release, armhf, sdl)	9m 3s
	1h 45m 58s

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