package/bpftool: bump to version 6.7.0

Fixes:
http://autobuild.buildroot.net/results/8bf/8bfc2abe3ab7a0b53aa717c800a4c7a3c964f426

Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

package/bpftool/bpftool.hash

@@ -1,5 +1,5 @@
 # Locally calculated
-sha256  c868cb85bf44195ec6cd20649c3db4f7aff64a38d950a1c2911d981fb2d7042c  bpftool-a7f0e7f057283ae8af3de4578bcb8b7ee80b7144-br1.tar.gz
+sha256  e4ce219d3b87dd70d8dbfb8f02bd356f70c010f739f17baca1c8912199a8a72b  bpftool-v6.7.0-br1.tar.gz
 sha256  7c588754d5e81e92e2a12e47cf78949d485c9c22b4850f12d21b3835c85947d1  LICENSE
 sha256  6313108c23efffa36948f8b2cff1560a5935373b527b0e1a837cc77e6ed1bacd  LICENSE.BSD-2-Clause
 sha256  8177f97513213526df2cf6184d8ff986c675afb514d4e68a404010521b880643  LICENSE.GPL-2.0

package/bpftool/bpftool.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-BPFTOOL_VERSION = a7f0e7f057283ae8af3de4578bcb8b7ee80b7144
+BPFTOOL_VERSION = v6.7.0
 BPFTOOL_SITE = https://github.com/libbpf/bpftool
 BPFTOOL_SITE_METHOD = git
 BPFTOOL_GIT_SUBMODULES = YES