misc: Updated the RELEASE-NOTES and version number

Updated the RELEASE-NOTES.md and version number for the v20.1.0.1
hot-fix.

Change-Id: I51f7ba6f1178a2d8e80488ed2184b8735c2234a2
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/37116
Maintainer: Bobby R. Bruce <bbruce@ucdavis.edu>
Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br>
Tested-by: kokoro <noreply+kokoro@google.com>
diff --git a/RELEASE-NOTES.md b/RELEASE-NOTES.md
index 492bb96..46c8795 100644
--- a/RELEASE-NOTES.md
+++ b/RELEASE-NOTES.md
@@ -1,3 +1,9 @@
+# Version 20.1.0.1
+
+**[HOTFIX]** A patch was applied to fix the Garnet network interface stats.
+Previously, the flit source delay was computed using both tick and cycles.
+This bug affected the overall behavior of the Garnet Network Model.
+
 # Version 20.1.0.0
 
 Thank you to everyone that made this release possible!
diff --git a/src/Doxyfile b/src/Doxyfile
index d029a66..83770d5 100644
--- a/src/Doxyfile
+++ b/src/Doxyfile
@@ -31,7 +31,7 @@
 # This could be handy for archiving the generated documentation or 
 # if some version control system is used.
 
-PROJECT_NUMBER         = v20.1.0.0
+PROJECT_NUMBER         = v20.1.0.1
 
 # The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) 
 # base path where the generated documentation will be put. 
diff --git a/src/base/version.cc b/src/base/version.cc
index 8edb8c6..3ad07fa 100644
--- a/src/base/version.cc
+++ b/src/base/version.cc
@@ -29,4 +29,4 @@
 /**
  * @ingroup api_base_utils
  */
-const char *gem5Version = "20.1.0.0";
+const char *gem5Version = "20.1.0.1";