Update Linux to v5.10.109

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz

Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/net/switchdev/Kconfig b/net/switchdev/Kconfig
index 50f21a6..18a2d98 100644
--- a/net/switchdev/Kconfig
+++ b/net/switchdev/Kconfig
@@ -6,7 +6,7 @@
 config NET_SWITCHDEV
 	bool "Switch (and switch-ish) device support"
 	depends on INET
-	---help---
+	help
 	  This module provides glue between core networking code and device
 	  drivers in order to support hardware switch chips in very generic
 	  meaning of the word "switch". This include devices supporting L2/L3 but