package/linux-tools: some selftests needs tput

Some kernel-selftests are using tput program, so make sure that
BR2_PACKAGE_NCURSES_TARGET_PROGS is selected.

[linux-4.19 selftests]$ git grep tput
[...]
futex/run.sh:tput setf 7 || tput setaf 7
futex/run.sh:    tput sgr0

Signed-off-by: Romain Naour <romain.naour@smile.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/linux-tools/Config.in

@@ -83,6 +83,8 @@ config BR2_PACKAGE_LINUX_TOOLS_SELFTESTS
 	depends on BR2_USE_MMU  # bash
 	select BR2_PACKAGE_LINUX_TOOLS
 	select BR2_PACKAGE_BASH # runtime
+	select BR2_PACKAGE_NCURSES
+	select BR2_PACKAGE_NCURSES_TARGET_PROGS # runtime (tput)
 	select BR2_PACKAGE_POPT
 	select BR2_PACKAGE_LIBCAP_NG
 	select BR2_PACKAGE_UTIL_LINUX