Bluetooth: controller: Move tIFS s/w switch PPI index up by one
Bluetooth: controller: Move tIFS s/w switch PPI index up by one

Move the use of tIFS software switching PPI index set up by
one position to make place for use of PA/LNA implementation.

Signed-off-by: Vinayak Kariappa Chettimada <e780c9f87dc729ad454f47292ad82c8652353064@nordicsemi.no>

galak/zephyr,kraj/zephyr,ldts/zephyr,finikorg/zephyr,explora26/zephyr,mbolivar/zephyr,Vudentz/zephyr,nashif/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,aceofall/zephyr-iotos,nashif/zephyr,Vudentz/zephyr,mbolivar/zephyr,GiulianoFranchetto/zephyr,mbolivar/zephyr,finikorg/zephyr,nashif/zephyr,ldts/zephyr,kraj/zephyr,zephyrproject-rtos/zephyr,aceofall/zephyr-iotos,aceofall/zephyr-iotos,punitvara/zephyr,explora26/zephyr,zephyriot/zephyr,nashif/zephyr,ldts/zephyr,Vudentz/zephyr,galak/zephyr,kraj/zephyr,Vudentz/zephyr,finikorg/zephyr,GiulianoFranchetto/zephyr,aceofall/zephyr-iotos,aceofall/zephyr-iotos,punitvara/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,fbsder/zephyr,punitvara/zephyr,zephyriot/zephyr,kraj/zephyr,zephyriot/zephyr,GiulianoFranchetto/zephyr,galak/zephyr,mbolivar/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,finikorg/zephyr,fbsder/zephyr,nashif/zephyr,punitvara/zephyr,zephyriot/zephyr,mbolivar/zephyr,fbsder/zephyr,Vudentz/zephyr,ldts/zephyr,explora26/zephyr,fbsder/zephyr,Vudentz/zephyr,GiulianoFranchetto/zephyr,explora26/zephyr,ldts/zephyr,zephyrproject-rtos/zephyr,fbsder/zephyr,punitvara/zephyr,zephyriot/zephyr,GiulianoFranchetto/zephyr,explora26/zephyr,kraj/zephyr