package/ltp-testsuite: update configure flags

compile also open possix

remove power management (compiled by default since commit
b74bbed51b0c0d44b70b136326a8a23cbc64db01)

Signed-off-by: Petr Vorel <petr.vorel@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/ltp-testsuite/ltp-testsuite.mk

@@ -10,7 +10,7 @@ LTP_TESTSUITE_SITE = https://github.com/linux-test-project/ltp/releases/download
 LTP_TESTSUITE_LICENSE = GPLv2, GPLv2+
 LTP_TESTSUITE_LICENSE_FILES = COPYING
 LTP_TESTSUITE_CONF_OPTS += \
-	--with-power-management-testsuite \
+	--with-open-posix-testsuite \
 	--with-realtime-testsuite
 
 ifeq ($(BR2_LINUX_KERNEL),y)