bcm53xx: extend firmware validation

This provides TRX validation result to the validation JSON. It also
prevents users from installing broken firmware files.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
(cherry picked from commit c19b9f9a26)

target/linux/bcm53xx/base-files/lib/upgrade/platform.sh

@@ -88,7 +88,10 @@ platform_check_image() {
 
 			if ! otrx check "$1" -o "$header_len"; then
 				echo "No valid TRX firmware in the CHK image"
+				notify_firmware_test_result "trx_valid" 0
 				error=1
+			else
+				notify_firmware_test_result "trx_valid" 1
 			fi
 		;;
 		"cybertan")
@@ -103,7 +106,10 @@ platform_check_image() {
 
 			if ! otrx check "$1" -o 32; then
 				echo "No valid TRX firmware in the CyberTAN image"
+				notify_firmware_test_result "trx_valid" 0
 				error=1
+			else
+				notify_firmware_test_result "trx_valid" 1
 			fi
 		;;
 		"safeloader")
@@ -133,11 +139,15 @@ platform_check_image() {
 
 			if ! otrx check "$1"; then
 				echo "Invalid (corrupted?) TRX firmware"
+				notify_firmware_test_result "trx_valid" 0
 				error=1
+			else
+				notify_firmware_test_result "trx_valid" 1
 			fi
 		;;
 		*)
-			echo "Invalid image type. Please use only .trx files"
+			echo "Invalid image type. Please use firmware specific for this device."
+			notify_firmware_broken
 			error=1
 		;;
 	esac