kunit: Extend kconfig help text for KUNIT_UML_PCI

Checkpatch.pl expects at least 4 lines of help text.

Extend the help text to make checkpatch.pl happy.

Link: https://lore.kernel.org/r/[email protected]
Fixes: 031cdd3 ("kunit: Enable PCI on UML without triggering WARN()")
Suggested-by: Shuah Khan <[email protected]>
Link: https://lore.kernel.org/lkml/[email protected]/
Signed-off-by: Thomas Weißschuh <[email protected]>
Reviewed-by: David Gow <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>

Author: t-8ch

lib/kunit/Kconfig

@@ -112,5 +112,9 @@ config KUNIT_UML_PCI
 	select UML_PCI
 	help
 	  Enables the PCI subsystem on UML for use by KUnit tests.
+	  Some KUnit tests require the PCI core which is not enabled by
+	  default on UML.
+
+	  If unsure, say N.
 
 endif # KUNIT