Add LLVM patch to explicitly represent umin in SCEV

Fixes #28379
Fixes #28388

Author: Keno

deps/llvm.mk

@@ -505,6 +505,7 @@ $(eval $(call LLVM_PATCH,llvm-D44892-Perf-integration))
 $(eval $(call LLVM_PATCH,llvm-D49832-SCEVPred)) # Remove for 7.0
 $(eval $(call LLVM_PATCH,llvm-rL323946-LSRTy)) # Remove for 7.0
 $(eval $(call LLVM_PATCH,llvm-D50010-VNCoercion-ni))
+$(eval $(call LLVM_PATCH,llvm-D50167-scev-umin))
 endif # LLVM_VER
 
 # Remove hardcoded OS X requirements in compilter-rt cmake build