Update Makefile - HIPCC Path Updated to latest (#45)

[ROCm/rccl-tests commit: a6593375bc]

projects/rccl-tests/src/Makefile

@@ -12,7 +12,7 @@ VERBOSE ?= 0
 DEBUG ?= 0
 NCCL_HOME ?= ""
 
-HIPCC = $(ROCM_PATH)/hip/bin/hipcc
+HIPCC = $(ROCM_PATH)/bin/hipcc
 CXX = $(HIPCC)
 
 HIPCUFLAGS := -std=c++14