package/firmware-utils: bump to 86739f2b3ae9502368b89ef37fa6f31c42aad6f4

This bump will fix the following build failure raised since the addition
of package in commit 21d2a0c2ecfdddb250007ce75d1839ba81278e5b thanks to
https://git.openwrt.org/?p=project/firmware-utils.git;a=commit;h=f9ad6b335e0fd699398370d4c6e2e45e1c459dea
and
https://git.openwrt.org/?p=project/firmware-utils.git;a=commit;h=86739f2b3ae9502368b89ef37fa6f31c42aad6f4:

/home/giuliobenetti/autobuild/run/instance-2/output-1/host/opt/ext-toolchain/bin/../lib/gcc/powerpc64-buildroot-linux-gnu/9.3.0/../../../../powerpc64-buildroot-linux-gnu/bin/ld: CMakeFiles/ptgen.dir/src/ptgen.c.o: in function `gen_gptable':
ptgen.c:(.text+0x234): undefined reference to `bswap_64'

Fixes:
 - http://autobuild.buildroot.org/results/1e8/1e80722954fc7bd090780200b1a58b6078b601ed/build-end.log

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/firmware-utils/firmware-utils.hash

@@ -1,2 +1,2 @@
 # Locally calculated
-sha256  57b95dac6b011f4c773d6e661f7eb5b2c992079901f87610d1ed16aaacb22542  firmware-utils-2f70fedc92bd08f9e182fcc388688f36310a597d-br1.tar.gz
+sha256  0df1b7912d68822025f9bb6a7ddfdf9675e2116d34c3c74bbdc83defcefe203c  firmware-utils-86739f2b3ae9502368b89ef37fa6f31c42aad6f4-br1.tar.gz

package/firmware-utils/firmware-utils.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-FIRMWARE_UTILS_VERSION = 2f70fedc92bd08f9e182fcc388688f36310a597d
+FIRMWARE_UTILS_VERSION = 86739f2b3ae9502368b89ef37fa6f31c42aad6f4
 FIRMWARE_UTILS_SITE = git://git.openwrt.org/project/firmware-utils.git
 FIRMWARE_UTILS_LICENSE = \
 	BSD-2-Clause (tplink-safeloader), \