devel/godot35-tools: new port for LTS godot-tools

Create a new port to add support for previous LTS version of godot.
This works with new devel/godot35 port to offer IDE build.

PR:		269957
Reported by:	FreeBSD@ShaneWare.Biz

devel/Makefile

@@ -884,6 +884,7 @@
     SUBDIR += godot2
     SUBDIR += godot2-tools
     SUBDIR += godot35
+    SUBDIR += devel/godot35-tools
     SUBDIR += goffice
     SUBDIR += gogs
     SUBDIR += golangci-lint

devel/godot35-tools/Makefile

@@ -0,0 +1,12 @@
+PKGNAMESUFFIX=	35-tools
+
+COMMENT=	Game integrated development environment
+
+OPTIONS_EXCLUDE=	#
+OPTIONS_SLAVE=	TOOLS
+# we don't want the pkg-message from the master port
+PKGMESSAGE=
+
+MASTERDIR=	${.CURDIR}/../godot35
+
+.include "${MASTERDIR}/Makefile"