Bump buildroot to 2019.02

bsp/buildroot/package/procps-ng/Config.in

@@ -2,14 +2,9 @@ config BR2_PACKAGE_PROCPS_NG
 	bool "procps-ng"
 	depends on BR2_USE_MMU # fork()
 	depends on BR2_PACKAGE_BUSYBOX_SHOW_OTHERS
-	depends on !BR2_TOOLCHAIN_USES_MUSL # fopencookie()
 	select BR2_PACKAGE_NCURSES
 	help
 	  Standard informational utilities and process-handling tools.
 	  Provides things like kill, ps, uptime, free, top, etc...
 
 	  http://sourceforge.net/projects/procps-ng/
-
-comment "procps-ng needs a glibc or uclibc toolchain"
-	depends on BR2_USE_MMU
-	depends on BR2_TOOLCHAIN_USES_MUSL

bsp/buildroot/package/procps-ng/procps-ng.mk

@@ -13,12 +13,6 @@ PROCPS_NG_INSTALL_STAGING = YES
 PROCPS_NG_DEPENDENCIES = ncurses host-pkgconf $(TARGET_NLS_DEPENDENCIES)
 PROCPS_NG_CONF_OPTS = LIBS=$(TARGET_NLS_LIBS)
 
-# If both procps-ng and busybox are selected, make certain procps-ng
-# wins the fight over who gets to have their utils actually installed.
-ifeq ($(BR2_PACKAGE_BUSYBOX),y)
-PROCPS_NG_DEPENDENCIES += busybox
-endif
-
 ifeq ($(BR2_PACKAGE_SYSTEMD),y)
 PROCPS_NG_DEPENDENCIES += systemd
 PROCPS_NG_CONF_OPTS += --with-systemd
@@ -26,8 +20,8 @@ else
 PROCPS_NG_CONF_OPTS += --without-systemd
 endif
 
-# Make sure binaries get installed in /bin, so that they overwrite
-# their busybox counterparts.
+# Make sure binaries get installed in /bin, as busybox does, so that we
+# don't end up with two versions.
 # Make sure libprocps.pc is installed in STAGING_DIR/usr/lib/pkgconfig/
 # otherwise it's installed in STAGING_DIR/lib/pkgconfig/ breaking
 # pkg-config --libs libprocps.