Convert CONFIG_HWCONFIG to Kconfig

This converts the following to Kconfig:
   CONFIG_HWCONFIG

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/kmcoge5ne_defconfig b/configs/kmcoge5ne_defconfig
index 298ff16..71d1965 100644
--- a/configs/kmcoge5ne_defconfig
+++ b/configs/kmcoge5ne_defconfig
@@ -167,6 +167,7 @@
 CONFIG_AUTOBOOT_PROMPT="Hit <SPACE> key to stop autoboot in %2ds\n"
 CONFIG_AUTOBOOT_STOP_STR=" "
 CONFIG_BOARD_EARLY_INIT_R=y
+# CONFIG_HWCONFIG is not set
 CONFIG_LAST_STAGE_INIT=y
 CONFIG_MISC_INIT_R=y
 CONFIG_HUSH_PARSER=y