UBUNTU: [Packaging] handle both linux-lts* and linux-hwe* as backports

BugLink: http://bugs.launchpad.net/bugs/1764794
OldBugLink: http://bugs.launchpad.net/bugs/1637473Signed-off-by: Andy Whitcroft <apw@canonical.com>
Acked-by: Stefan Bader <stefan.bader@canonical.com>
Acked-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>

debian/rules.d/5-udebs.mk

@@ -6,7 +6,7 @@ ifeq ($(disable_d_i),)
 		do-binary-udebs
 endif
 
-do-binary-udebs: linux_udeb_name=$(shell if echo $(src_pkg_name)|grep -q linux-lts; then echo $(src_pkg_name); else echo linux; fi)
+do-binary-udebs: linux_udeb_name=$(shell if echo $(src_pkg_name)|egrep -q '(linux-lts|linux-hwe)'; then echo $(src_pkg_name); else echo linux; fi)
 do-binary-udebs: debian/control
 	@echo Debug: $@
 	dh_testdir