soc: intel_adsp/ace: wait for lpsram power up
soc: intel_adsp/ace: wait for lpsram power up

Wait for lpsram power up before bbzero

Fixes commit 195db14

Signed-off-by: Adrian Bonislawski <c1526623796a63932b288786ffa521d7fcf07c3a@intel.com>

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