Bump HIP version to 1.4 and update release notes

Change-Id: I3570dedb32fe5fec6f60565c587a3282a4c6c709


[ROCm/hip commit: ca239ab6ef]

projects/hip/bin/hipconfig

@@ -1,7 +1,7 @@
 #!/usr/bin/perl -w
 
 $HIP_BASE_VERSION_MAJOR = "1";
-$HIP_BASE_VERSION_MINOR = "3";
+$HIP_BASE_VERSION_MINOR = "4";
 
 # Need perl > 5.10 to use logic-defined or
 use 5.006; use v5.10.1;