docs/releases: Update the 4.17 release notes to final version

Now that the release has been tagged, update the release notes with the
final data and statistics.

Signed-off-by: Martin Roth <gaumless@gmail.com>
Change-Id: If4c9d6befd82e9a134ee645e97111b4489adacc0
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64955
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Felix Singer <felixsinger@posteo.net>

Documentation/releases/coreboot-4.17-relnotes.md

@@ -1,10 +1,9 @@
 coreboot 4.17
 ========================================================================
 
+The coreboot 4.17 release was done on June 3, 2022.
 
-The coreboot 4.17 release is being done on June 1, 2022.
-
-Since the 4.16 release, we've had over 1260 new commits by around 150
+Since the 4.16 release, we've had over 1300 new commits by around 150
 contributors.  Of those people, roughly 15 were first-time contributors.
 
 As always, we appreciate everyone who has contributed and done the hard
@@ -333,14 +332,14 @@ migrating to PARALLEL_MP / a simple !CONFIG_SMP codebase.
 Statistics
 ----------
 
-- Total Commits: 1261
-- Average Commits per day: 13.26
-- Total lines added: 42535
-- Average lines added per commit: 33.73
-- Number of patches adding more than 100 lines: 51
-- Average lines added per small commit: 21.00
-- Total lines removed: 65961
-- Average lines removed per commit: 52.31
-- Total difference between added and removed: -23426
+- Total Commits: 1305
+- Average Commits per day: 13.42
+- Total lines added: 51422
+- Average lines added per commit: 39.40
+- Number of patches adding more than 100 lines: 59
+- Average lines added per small commit: 24.73
+- Total lines removed: 66206
+- Average lines removed per commit: 50.73
+- Total difference between added and removed: -14784
 - Total authors: 146
 - New authors: 17