[au1000] move 2.6.30 configuration to their appropriate names

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19491 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/au1000/au1500/config-default b/target/linux/au1000/au1500/config-2.6.30
similarity index 100%
rename from target/linux/au1000/au1500/config-default
rename to target/linux/au1000/au1500/config-2.6.30

diff --git a/target/linux/au1000/au1550/config-default b/target/linux/au1000/au1550/config-2.6.30
similarity index 100%
rename from target/linux/au1000/au1550/config-default
rename to target/linux/au1000/au1550/config-2.6.30