configs/buildroot: add psmisc package

Add psmics for killall, pstree and fuser.
Since fuser comes from psmisc, it is not needed anymore to compile it in
the busybox.

Signed-off-by: Adam Wujek <adam.wujek@cern.ch>

configs/buildroot/wrs_release_br2_config

@@ -2499,7 +2499,7 @@ BR2_PACKAGE_MONIT=y
 #
 # BR2_PACKAGE_POLKIT is not set
 BR2_PACKAGE_PROCPS_NG=y
-# BR2_PACKAGE_PSMISC is not set
+BR2_PACKAGE_PSMISC=y
 # BR2_PACKAGE_PWGEN is not set
 # BR2_PACKAGE_QUOTA is not set
 BR2_PACKAGE_RSYSLOG=y

configs/buildroot/wrs_release_busybox_config

@@ -951,7 +951,7 @@ CONFIG_FEATURE_MIME_CHARSET=""
 # CONFIG_UPTIME is not set
 # CONFIG_FEATURE_UPTIME_UTMP_SUPPORT is not set
 # CONFIG_FREE is not set
-CONFIG_FUSER=y
+# CONFIG_FUSER is not set
 # CONFIG_KILL is not set
 # CONFIG_KILLALL is not set
 # CONFIG_KILLALL5 is not set