Update HerculesCompiler and openmp submodules

* HerculesCompiler 9ff0055...a18ca9f (9):
  > Fixed issue with participating threads, and lowered throttle thread prio to not block bottom halves of interrupt handlers
  > Better error message if a Compatible interval fails to be registered
  > Registering Compatible intervals
  > Added support for COMPATIBLE in PremRegistry
  > Less verbose tiler
  > Adjusted output from Mark
  > Changed kernel name to function name for non-NVIDIA
  > Added possibility to whitelist external functions through HERCULES_EXTERNAL_WHITELIST
  > Disable GPUguard by default

* openmp 7716df0...691e996 (1):
  > Disable GPUguard by default

diff --git a/HerculesCompiler b/HerculesCompiler
index 9ff00557cc30cd6cb23149e0c699e6a90782512c..a18ca9f172186a47cbe8ed63fd3209bf5eaa45fe 160000 (submodule)
--- a/HerculesCompiler
+++ b/HerculesCompiler
@@ -1 +1 @@
-Subproject commit 9ff00557cc30cd6cb23149e0c699e6a90782512c
+Subproject commit a18ca9f172186a47cbe8ed63fd3209bf5eaa45fe

diff --git a/openmp b/openmp
index 7716df0aa0e605ca6aefc3752bf1734267dc162b..691e996ca3825f78440700ab6f411554250ef491 160000 (submodule)
--- a/openmp
+++ b/openmp
@@ -1 +1 @@
-Subproject commit 7716df0aa0e605ca6aefc3752bf1734267dc162b
+Subproject commit 691e996ca3825f78440700ab6f411554250ef491