xtensa: cavs: add uncached ram sections to cavs25 linker script
xtensa: cavs: add uncached ram sections to cavs25 linker script

Align cavs25 with cavs15/18 and add memory segment for uncached mapping
of the SRAM to linker script. Assign sections to uncached and cached
segments as done in cavs15/18.

Signed-off-by: Kai Vehmanen <7c1f7969959c2510655bc0fc9c602f735b2254b7@linux.intel.com>

galak/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,finikorg/zephyr,finikorg/zephyr,galak/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,galak/zephyr