Start building sysrepo-ietf-alarms

The project also requires date library[1] but it was not running
correctly on our ARM. I had to patch the library with the workaround
from [2], hence the buildroot update.

[1] https://github.com/HowardHinnant/date
[2] https://github.com/HowardHinnant/date/issues/252

Change-Id: Ie82b8c9ea50b0198b024256ff81d67ba7344c190
diff --git a/dev-setup-git.sh b/dev-setup-git.sh
index 580dbda..6792070 100755
--- a/dev-setup-git.sh
+++ b/dev-setup-git.sh
@@ -25,6 +25,7 @@
 GAMMARUS_OVERRIDE_SRCDIR = ${CZECHLIGHT_BR2_EXT_LOC}/submodules/gammarus
 VELIA_OVERRIDE_SRCDIR = ${CZECHLIGHT_BR2_EXT_LOC}/submodules/velia
 ROUSETTE_OVERRIDE_SRCDIR = ${CZECHLIGHT_BR2_EXT_LOC}/submodules/rousette
+SYSREPO_IETF_ALARMS_OVERRIDE_SRCDIR = ${CZECHLIGHT_BR2_EXT_LOC}/submodules/sysrepo-ietf-alarms
 
 define CZECHLIGHT_GIT_FIX_GITDIR
 	echo "gitdir: \$\$(git rev-parse --resolve-git-dir \$(SRCDIR)/.git)" > \$(@D)/.git
@@ -34,6 +35,7 @@
 GAMMARUS_POST_RSYNC_HOOKS += CZECHLIGHT_GIT_FIX_GITDIR
 VELIA_POST_RSYNC_HOOKS += CZECHLIGHT_GIT_FIX_GITDIR
 ROUSETTE_POST_RSYNC_HOOKS += CZECHLIGHT_GIT_FIX_GITDIR
+SYSREPO_IETF_ALARMS_POST_RSYNC_HOOKS += CZECHLIGHT_GIT_FIX_GITDIR
 
 EOF