ramips: rt305x: add support for the Skyline SL-R7205 Wireless 3G router

[juhosg:
- don't switch back to 2.6.39
- update config-3.2
- change machine id to SL-R7205
- reorder case entries in platform scripts
- remove button hotplug script]

Signed-off-by: Haipoh Teoh <hpteoh@ceedtec.com>

SVN-Revision: 30645

target/linux/ramips/base-files/lib/ramips.sh

@@ -104,6 +104,9 @@ ramips_board_name() {
 	*"RT-N56U")
 		name="rt-n56u"
 		;;
+	*"Skyline SL-R7205"*)
+		name="sl-r7205"
+		;;
 	*"Sparklan WCR-150GN")
 		name="wcr-150gn"
 		;;