[PATCH] PATCH 2.5: kconfig use of $ARCH (6_12)

 Use of the $ARCH variable is undocumented; the sparc and sparc64 ports
 define the bool constants CONFIG_SPARC32 and CONFIG_SPARC64 respectively
 for this purpose.

drivers/sbus/char/Config.in

@@ -2,7 +2,7 @@ mainmenu_option next_comment
 comment 'Misc Linux/SPARC drivers'
 tristate '/dev/openprom device support' CONFIG_SUN_OPENPROMIO
 tristate 'Mostek real time clock support' CONFIG_SUN_MOSTEK_RTC
-if [ "$ARCH" = "sparc64" ]; then
+if [ "$CONFIG_SPARC64" = "y" ]; then
    if [ "$CONFIG_PCI" = "y" ]; then
       tristate 'Siemens SAB82532 serial support' CONFIG_SAB82532
    fi