Add FWU installer framework

Adds the base installer and installer_index to allow specialized
installers to be added to handle different types of update
image.

Signed-off-by: Julian Hall <julian.hall@arm.com>
Change-Id: I18fa376106dae36a36f0078ed76c7fab5fb83a16
diff --git a/deployments/component-test/component-test.cmake b/deployments/component-test/component-test.cmake
index c1e40fb..4fd0009 100644
--- a/deployments/component-test/component-test.cmake
+++ b/deployments/component-test/component-test.cmake
@@ -109,6 +109,7 @@
 		"components/service/block_storage/factory/ref_ram_gpt"
 		"components/service/block_storage/factory/client"
 		"components/service/fwu/agent"
+		"components/service/fwu/installer"
 		"components/service/crypto/client/cpp"
 		"components/service/crypto/client/cpp/protocol/protobuf"
 		"components/service/crypto/client/cpp/protocol/packed-c"