tree-wide: fix comment/printk typos

"gadget", "through", "command", "maintain", "maintain", "controller", "address",
"between", "initiali[zs]e", "instead", "function", "select", "already",
"equal", "access", "management", "hierarchy", "registration", "interest",
"relative", "memory", "offset", "already",

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

arch/h8300/Kconfig.debug

@@ -48,7 +48,7 @@ config DEFAULT_CMDLINE
 	  builtin kernel commandline enabled.
 
 config KERNEL_COMMAND
-	string "Buildin commmand string"
+	string "Buildin command string"
 	depends on DEFAULT_CMDLINE
 	help
 	  builtin kernel commandline strings.