[PATCH] add one help text to drivers_atm_Kconfig

From:  Steven Cole <elenstev@mesatop.com>

  Here is a help text from 2.4.21-pre4 Configure.help which is
  needed in 2.5.59 drivers/atm/Kconfig.

drivers/atm/Kconfig

@@ -15,6 +15,11 @@ config ATM_TCP
 config ATM_LANAI
 	tristate "Efficient Networks Speedstream 3010"
 	depends on PCI
+	help
+	  Supports ATM cards based on the Efficient Networks "Lanai"
+	  chipset such as the Speedstream 3010 and the ENI-25p.  The
+	  Speedstream 3060 is currently not supported since we don't
+	  have the code to drive the on-board Alcatel DSL chipset (yet).
 
 config ATM_ENI
 	tristate "Efficient Networks ENI155P"