app: overlays: ptl: ll_userspace_overlay: increase L2 max size

Increase CONFIG_XTENSA_MMU_NUM_L2_TABLES to 70 to make room
for LL user-space memory domain.

Value tuned by running PTL nocodec configuration with all PCMs
open concurrently and using Zephyr calc_l2_page_tables_usage()
to track max L2 page usage.

This value needs to be increased for builds where we need to
support more than 2 isolated DP modules.

Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>

Author: kv2019i

app/overlays/ptl/ll_userspace_overlay.conf

@@ -32,6 +32,10 @@ CONFIG_CROSS_CORE_STREAM=n
 CONFIG_INTEL_ADSP_MIC_PRIVACY=n
 CONFIG_XRUN_NOTIFICATIONS_ENABLE=n
 
+# increase L2 allocation for LL userspace and
+# max two isolated DP modules
+CONFIG_XTENSA_MMU_NUM_L2_TABLES=70
+
 # Extend the shared LL user-space heap to 512KiB. This
 # is current maximum for PTL builds with virtual heap
 # enabled and uses the vmh allocation intended for KBP.