procd: update to latest git HEAD

53e92d4 procd: lower the logging threshold
b39c362 service: Start services normally when seccomp is disabled
3ba6b45 procd: add missing new lines inside debug code
56a02e3 service: fix service_handle_event array
d4a183f service: fix SERVICE_ATTR_NAME usage in service_handle_set

Signed-off-by: John Crispin <john@phrozen.org>

package/system/procd/Makefile

@@ -12,9 +12,9 @@ PKG_RELEASE:=1
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(LEDE_GIT)/project/procd.git
-PKG_SOURCE_DATE:=2017-09-28
-PKG_SOURCE_VERSION:=ee582d16c7ebbfbcc5e3c4f8970f5e376c406f5f
-PKG_MIRROR_HASH:=c47459524647763150bb75cf030dca25786c27f3fd16fd88627f2a998ffa615e
+PKG_SOURCE_DATE:=2017-10-06
+PKG_SOURCE_VERSION:=53e92d43d6d1b196eae8a6657335ad8b89b8142e
+PKG_MIRROR_HASH:=9ad397a04b3c9eb809f734df4d7d87bff50fb6a7b5d7cf431281dde2e6cc9522
 CMAKE_INSTALL:=1
 
 PKG_LICENSE:=GPL-2.0