ipa: software_isp: Add constructor to the IPA context

Let's have a constructor that takes just the non-default argument,
without the need to specify the defaults.

Signed-off-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

src/ipa/simple/soft_simple.cpp

@@ -41,7 +41,7 @@ class IPASoftSimple : public ipa::soft::IPASoftInterface, public Module
 {
 public:
 	IPASoftSimple()
-		: context_({ {}, {}, { kMaxFrameContexts } })
+		: context_(kMaxFrameContexts)
 	{
 	}