build/boot/roms: split up handle_targets()

Signed-off-by: Leah Rowe <leah@libreboot.org>

script/build/boot/roms

@@ -58,12 +58,7 @@ handle_targets()
 	    err "handle_targets: Cannot get list of boards"
 
 	check_targets
-
+	build_bootroms
-	for board in ${boards}; do
-		./build boot roms_helper ${board}${opts} || \
-		    err "handle_targets ${board}${opts}: build error"
-		[ -d "bin/${board}" ] && targets="${board} ${targets}"
-	done
 }
 
 check_targets()
@@ -74,6 +69,15 @@ check_targets()
 	done
 }
 
+build_bootroms()
+{
+	for board in ${boards}; do
+		./build boot roms_helper ${board}${opts} || \
+		    err "handle_targets ${board}${opts}: build error"
+		[ -d "bin/${board}" ] && targets="${board} ${targets}"
+	done
+}
+
 confirm_targets()
 {
 	[ -z "${targets}" ] && err "No ROM images were compiled."