UBUNTU: [debian] Add macro to selectively disable building perf

Fixes FTBS until libaudit-dev is promoted to main.
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

debian/rules.d/2-binary-arch.mk

@@ -441,8 +441,10 @@ endif
 $(stampdir)/stamp-build-perarch: $(stampdir)/stamp-prepare-perarch
 	@echo Debug: $@
 ifeq ($(do_tools),true)
+ifeq ($(do_tools_perf),true)
 	cd $(builddirpa)/tools/perf && \
 		make HAVE_CPLUS_DEMANGLE=1 CROSS_COMPILE=$(CROSS_COMPILE)
+endif
 	if [ "$(arch)" = "amd64" ] || [ "$(arch)" = "i386" ]; then \
 		cd $(builddirpa)/tools/power/x86/x86_energy_perf_policy && make CROSS_COMPILE=$(CROSS_COMPILE); \
 		cd $(builddirpa)/tools/power/x86/turbostat && make CROSS_COMPILE=$(CROSS_COMPILE); \
@@ -459,8 +461,10 @@ install-perarch: $(stampdir)/stamp-build-perarch
 	# Add the tools.
 ifeq ($(do_tools),true)
 	install -d $(toolspkgdir)/usr/bin
+ifeq ($(do_tools_perf),true)
 	install -s -m755 $(builddirpa)/tools/perf/perf \
 		$(toolspkgdir)/usr/bin/perf_$(abi_release)
+endif
 	if [ "$(arch)" = "amd64" ] || [ "$(arch)" = "i386" ]; then \
 		install -s -m755 $(builddirpa)/tools/power/x86/x86_energy_perf_policy/x86_energy_perf_policy \
 			$(toolspkgdir)/usr/bin/x86_energy_perf_policy_$(abi_release); \

debian/rules.d/3-binary-indep.mk

@@ -92,7 +92,9 @@ ifeq ($(do_tools),true)
 	install -d $(toolsbin)
 	install -d $(toolsman)/man1
 
+ifeq ($(do_tools_perf),true)
 	install -m755 debian/tools/perf $(toolsbin)/perf
+endif
 	if [ "$(arch)" = "amd64" ] || [ "$(arch)" = "i386" ]; then \
 		install -m755 debian/tools/x86_energy_perf_policy $(toolsbin)/x86_energy_perf_policy; \
 		install -m755 debian/tools/turbostat $(toolsbin)/turbostat; \
@@ -108,9 +110,11 @@ ifeq ($(do_tools),true)
 	rm $(builddir)/tools/tools
 	rsync -a tools/ $(builddir)/tools/tools/
 
+ifeq ($(do_tools_perf),true)
 	cd $(builddir)/tools/tools/perf && make man
 	install -m644 $(builddir)/tools/tools/perf/Documentation/*.1 \
 		$(toolsman)/man1
+endif
 	if [ "$(arch)" = "amd64" ] || [ "$(arch)" = "i386" ]; then \
 		install -d $(toolsman)/man8; \
 		install -m644 $(CURDIR)/tools/power/x86/x86_energy_perf_policy/*.8 $(toolsman)/man8; \