refactor(fdts): remove unused nodes from CoT device tree

Since the CoT device tree is intended solely for BL2, remove the
nodes that are not handled by BL2.

Change-Id: I977eec902f16de59743e97d15148d63934b7b863
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
diff --git a/fdts/cca_cot_descriptors.dtsi b/fdts/cca_cot_descriptors.dtsi
index d52431b..821f600 100644
--- a/fdts/cca_cot_descriptors.dtsi
+++ b/fdts/cca_cot_descriptors.dtsi
@@ -136,30 +136,12 @@
 	images {
 		compatible = "arm, img-descs";
 
-		fw_config {
-			image-id = <FW_CONFIG_ID>;
-			parent = <&cca_content_cert>;
-			hash = <&fw_config_hash>;
-		};
-
 		hw_config {
 			image-id = <HW_CONFIG_ID>;
 			parent = <&cca_content_cert>;
 			hash = <&hw_config_hash>;
 		};
 
-		tb_fw_hash {
-			image-id = <BL2_IMAGE_ID>;
-			parent = <&cca_content_cert>;
-			hash = <&tb_fw_hash>;
-		};
-
-		tb_fw_config {
-			image-id = <TB_FW_CONFIG_ID>;
-			parent = <&cca_content_cert>;
-			hash = <&tb_fw_config_hash>;
-		};
-
 		bl31_image {
 			image-id = <BL31_IMAGE_ID>;
 			parent = <&cca_content_cert>;
diff --git a/fdts/tbbr_cot_descriptors.dtsi b/fdts/tbbr_cot_descriptors.dtsi
index ac39e4e..d11e2be 100644
--- a/fdts/tbbr_cot_descriptors.dtsi
+++ b/fdts/tbbr_cot_descriptors.dtsi
@@ -190,12 +190,6 @@
 			hash = <&hw_config_hash>;
 		};
 
-		tb_fw_config {
-			image-id = <TB_FW_CONFIG_ID>;
-			parent = <&trusted_boot_fw_cert>;
-			hash = <&tb_fw_config_hash>;
-		};
-
 		scp_bl2_image {
 			image-id = <SCP_BL2_IMAGE_ID>;
 			parent = <&scp_fw_content_cert>;