tools: Keep list of tools in alphabetical order

When `make help` is executed it lists the possible tools to build,
though couple of entries is kept unordered. Fix it here.

Signed-off-by: Andy Shevchenko <[email protected]>
Acked-by: Song Liu <[email protected]>
Cc: Alexei Starovoitov <[email protected]>
Cc: Daniel Borkmann <[email protected]>
Cc: Martin KaFai Lau <[email protected]>
Cc: Yonghong Song <[email protected]>
Link: https://lkml.kernel.org/n/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

tools/Makefile

@@ -10,6 +10,7 @@ help:
 	@echo 'Possible targets:'
 	@echo ''
 	@echo '  acpi                   - ACPI tools'
+	@echo '  bpf                    - misc BPF tools'
 	@echo '  cgroup                 - cgroup tools'
 	@echo '  cpupower               - a tool for all things x86 CPU power'
 	@echo '  debugging              - tools for debugging'
@@ -23,12 +24,11 @@ help:
 	@echo '  kvm_stat               - top-like utility for displaying kvm statistics'
 	@echo '  leds                   - LEDs  tools'
 	@echo '  liblockdep             - user-space wrapper for kernel locking-validator'
-	@echo '  bpf                    - misc BPF tools'
+	@echo '  objtool                - an ELF object analysis tool'
 	@echo '  pci                    - PCI tools'
 	@echo '  perf                   - Linux performance measurement and analysis tool'
 	@echo '  selftests              - various kernel selftests'
 	@echo '  spi                    - spi tools'
-	@echo '  objtool                - an ELF object analysis tool'
 	@echo '  tmon                   - thermal monitoring and tuning tool'
 	@echo '  turbostat              - Intel CPU idle stats and freq reporting tool'
 	@echo '  usb                    - USB testing tools'