Revert "tests: exclude qemu_arc_hs in lifo_usage test"
Revert "tests: exclude qemu_arc_hs in lifo_usage test"

This reverts commit 6f4f5b1fe5fc9d75d16f7363b7f495f591fb14da.

With icount finally working in QEMU for ARC these tests start to
pass reliably, so no need to exclude them any longer.

Signed-off-by: Alexey Brodkin <1fa739873496c8c0c1b521f2061ee5fa4a0306e8@synopsys.com>

zephyrproject-rtos/zephyr,galak/zephyr,finikorg/zephyr,finikorg/zephyr,Vudentz/zephyr,nashif/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,finikorg/zephyr,nashif/zephyr,Vudentz/zephyr,nashif/zephyr,Vudentz/zephyr,Vudentz/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr,nashif/zephyr,galak/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,galak/zephyr,Vudentz/zephyr,nashif/zephyr,finikorg/zephyr,Vudentz/zephyr