cc3220sf: soc: Update PRCM call to allow use of ROM API
cc3220sf: soc: Update PRCM call to allow use of ROM API

The API in the current SDK version is rom-patched, and uses
prcm.c code in the driverlib directory.

But, the PRCMMCU3200Init() API call should be prefixed by MAP_
to allow the option to use the ROM API in a future TI SDK version.

Signed-off-by: Gil Pitney <477da50908f0a7963c2c490cce0ff096d2cac162@linaro.org>

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