m68knommu: updates and fixes for v6.2

Fixes include:
 . use strscpy() instead of strncpy() for cmdline setup
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Merge tag 'm68knommu-for-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu

Pull m68knommu update from Greg Ungerer:
 "Only a single change to use the safer strscpy() instead of strncpy()
  when setting up the cmdline"

* tag 'm68knommu-for-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
  m68k: use strscpy() to instead of strncpy()

arch/m68k/kernel/setup_no.c

@@ -90,8 +90,7 @@ void __init setup_arch(char **cmdline_p)
 	config_BSP(&command_line[0], sizeof(command_line));
 
 #if defined(CONFIG_BOOTPARAM)
-	strncpy(&command_line[0], CONFIG_BOOTPARAM_STRING, sizeof(command_line));
-	command_line[sizeof(command_line) - 1] = 0;
+	strscpy(&command_line[0], CONFIG_BOOTPARAM_STRING, sizeof(command_line));
 #endif /* CONFIG_BOOTPARAM */
 
 	process_uboot_commandline(&command_line[0], sizeof(command_line));