Prepare v2023.01

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/Makefile b/Makefile
index 66cfbb1..9a8a7c4 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@
 VERSION = 2023
 PATCHLEVEL = 01
 SUBLEVEL =
-EXTRAVERSION = -rc4
+EXTRAVERSION =
 NAME =
 
 # *DOCUMENTATION*