release: Zephyr 3.2.0-rc1

Set version to v3.2.0-rc1.

Signed-off-by: Fabio Baltieri <fabiobaltieri@google.com>
Signed-off-by: Mahesh Mahadevan <mahesh.mahadevan@nxp.com>
diff --git a/VERSION b/VERSION
index 1bdaeb0..7be5d61 100644
--- a/VERSION
+++ b/VERSION
@@ -1,5 +1,5 @@
 VERSION_MAJOR = 3
-VERSION_MINOR = 1
-PATCHLEVEL = 99
+VERSION_MINOR = 2
+PATCHLEVEL = 0
 VERSION_TWEAK = 0
-EXTRAVERSION =
+EXTRAVERSION = rc1