lib/fsp: Update FSP for renesas-ra to the latest version v4.4.0.

TakeoTakahashi2020 · dpgeorge · commit 0c58e290743f · 2023-05-11T16:18:39.000+10:00
Signed-off-by: Takeo Takahashi &lt;takeo.takahashi.xv@renesas.com&gt;
diff --git a/lib/fsp b/lib/fsp
@@ -1 +1 @@
-Subproject commit 55bffd3a71cbeed2104cf30e7a39b641d8c1ff48
+Subproject commit e78939d32d1ccea9f0ba8bb42c51aceffd386b9b
