Set bleprph main stack size to 512 so img_mgmt uploads dont overflow
On the newer versions of mcumgr a 512 byte is allocated on stack,
which makes the previous stack size too short.
While testing image uploads stack grew up to at 502 words.
@@ -58,7 +58,7 @@ syscfg.vals:
CONFIG_MGMT: 1
# OS main/default task
- OS_MAIN_STACK_SIZE: 468
+ OS_MAIN_STACK_SIZE: 512
# Lots of smaller mbufs are required for smp using typical BLE ATT MTU
# values.
