Juno: Re-enable NODE_HW_STATE tests

The issue with this test is fixed with the
TF-A patch: https://review.trustedfirmware.org/c/TF-A/
trusted-firmware-a/+/3591, so re-enable it.

Signed-off-by: Zelalem <zelalem.aweke@arm.com>
Change-Id: I343a017eea8a134ce74dedd484faaafdeb65ef13
diff --git a/plat/arm/juno/juno64_tests_to_skip.txt b/plat/arm/juno/juno64_tests_to_skip.txt
index 8fdb3ec..53c7e7f 100644
--- a/plat/arm/juno/juno64_tests_to_skip.txt
+++ b/plat/arm/juno/juno64_tests_to_skip.txt
@@ -6,7 +6,3 @@
 
 # The multicore spurious interrupt test is known to cause problems on Juno
 IRQ support in TSP/Multicore spurious interrupt test
-
-# The NODE_HW_STATE tests seem to hang on Juno. See GENFW-3574.
-# Disabling them in the meantime.
-PSCI NODE_HW_STATE