tools: Add install make target for liblockdep

Allow user to call "liblockdep_install" target. Also add liblockdep to "all"
and "install" targets (as "help" command suggests).
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: a.p.zijlstra@chello.nl
Cc: ben@decadent.org.uk
Link: http://lkml.kernel.org/r/20170525130005.5947-11-alexander.levin@verizon.comSigned-off-by: Ingo Molnar <mingo@kernel.org>

tools/Makefile

@@ -19,6 +19,7 @@ help:
 	@echo '  kvm_stat               - top-like utility for displaying kvm statistics'
 	@echo '  leds                   - LEDs  tools'
 	@echo '  lguest                 - a minimal 32-bit x86 hypervisor'
+	@echo '  liblockdep             - user-space wrapper for kernel locking-validator'
 	@echo '  net                    - misc networking tools'
 	@echo '  perf                   - Linux performance measurement and analysis tool'
 	@echo '  selftests              - various kernel selftests'
@@ -89,7 +90,7 @@ freefall: FORCE
 kvm_stat: FORCE
 	$(call descend,kvm/$@)
 
-all: acpi cgroup cpupower gpio hv firewire lguest \
+all: acpi cgroup cpupower gpio hv firewire lguest liblockdep \
 		perf selftests turbostat usb \
 		virtio vm net x86_energy_perf_policy \
 		tmon freefall objtool kvm_stat
@@ -103,6 +104,9 @@ cpupower_install:
 cgroup_install firewire_install gpio_install hv_install lguest_install perf_install usb_install virtio_install vm_install net_install objtool_install:
 	$(call descend,$(@:_install=),install)
 
+liblockdep_install:
+	$(call descend,lib/lockdep,install)
+
 selftests_install:
 	$(call descend,testing/$(@:_install=),install)
 
@@ -119,7 +123,7 @@ kvm_stat_install:
 	$(call descend,kvm/$(@:_install=),install)
 
 install: acpi_install cgroup_install cpupower_install gpio_install \
-		hv_install firewire_install lguest_install \
+		hv_install firewire_install lguest_install liblockdep_install \
 		perf_install selftests_install turbostat_install usb_install \
 		virtio_install vm_install net_install x86_energy_perf_policy_install \
 		tmon_install freefall_install objtool_install kvm_stat_install