[nrf noup] samples: bluetooth: mesh: update stack sizes

 Increased stack sizes for mesh provisoner sample.
 Values are based of thread analysis, plus added margin.

Signed-off-by: Stine Åkredalen <[email protected]>
(cherry picked from commit 8876f35)

Author: akredalen

samples/bluetooth/mesh_provisioner/prj.conf

@@ -1,6 +1,10 @@
 #CONFIG_INIT_STACKS=y
-CONFIG_MAIN_STACK_SIZE=2048
-CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=2048
+# Stack sizes from thread analysis + 50% margin, rounded to nearest 100
+CONFIG_MAIN_STACK_SIZE=4400
+CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=4800
+CONFIG_BT_MESH_SETTINGS_WORKQ_STACK_SIZE=1700
+CONFIG_BT_MESH_ADV_STACK_SIZE=4000
+CONFIG_BT_RX_STACK_SIZE=3300
 # The Bluetooth API should not be used from a preemptive thread:
 CONFIG_MAIN_THREAD_PRIORITY=-2