CI: Add inotify support for QNX

Adds Filesystem event manager server to image and also add HOME env
varbiable for root user.

Task-number: QTBUG-99168
Change-Id: I4df10f17f4e274dc0d21fea1a767c351ba3c8362
Reviewed-by: Samuli Piippo <samuli.piippo@qt.io>
(cherry picked from commit 06edc60e1d)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

coin/provisioning/common/linux/qnx_qemu_build_files/local/snippets/ifs_env.custom

@@ -0,0 +1,3 @@
+# Add root HOME env variable
+procmgr_symlink /data/home/root/ /home/root
+HOME=/home/root

coin/provisioning/common/linux/qnx_qemu_build_files/local/snippets/post_start.custom

@@ -0,0 +1,14 @@
+# local/snippets/post_start.custom
+# Commands executed from post_startup.sh. Executed at the end of system startup whether slm is in use
+# or not
+#
+# To allow resource managers to be run properly with and without security policies, command lines
+# should be written in one of the following forms:
+#
+#     START(resmgr_t) resmgr DROPROOT(resmgr_uid)
+#     STARTU(resmgr_t, resmgr_uid) resmgr
+# Where resmgr_t is the security type name (arbitrary but usually the name of the resmgr with _t appended),
+# and resmgr_uid is the id to use for both uid and gid.  DROPROOT is used only in cases where the
+# resource manager supports a -U option for switching to non-root.
+echo "---> Starting Filesystem event manager (fsevmgr)"
+STARTU_P(fsevmg_t,__FSEVMG_ID__) fsevmgr -d -F __DEVB_ID__ -N __DEVB_ID__

coin/provisioning/common/linux/qnx_qemu_build_files/local/snippets/system_files.custom

@@ -27,3 +27,6 @@ lib/libpng16.so.16=usr/lib/libpng16.so.16
 lib/liblzma.so.5=usr/lib/liblzma.so.5
 lib/libbacktrace.so.1=usr/lib/libbacktrace.so.1
 lib/libm.so.3=lib/libm.so.3
+
+# for inotify
+xbin/fsevmgr=sbin/fsevmgr

coin/provisioning/common/linux/qnx_qemu_build_files/local/snippets/uids.custom

@@ -0,0 +1 @@
+#define __FSEVMG_ID__       50