SanyoZ700: Fix unused variable warning
Increase rfm12_ask sync time in rfm12_ask_2272_1527_send

Current short delay time leads to instable switching behaviour for 2272 based radio switchable outlets.
Harald Roelle analysed the problem ([ethersex-devel] RFM12 ASK, Instabiles Schaltverhalten inkl. mögl. Lösung): The current sync time is more alike the signal send by the remote controls.
rfm12_ask sync time in rfm12_ask_2272_1527_send: Use different sync times for 2272/1527
* Fixed commit 3696b2e4d9aa39bde2eef21d51642e16c1d40937