samples: wifi: Reduce RAM usage

Optimize RAM usage by decreasing driver RX buffers.

Signed-off-by: Triveni Danda <[email protected]>

Author: D-Triveni

samples/wifi/softap/prj.conf

@@ -31,7 +31,9 @@ CONFIG_NET_PKT_TX_COUNT=8
 # tuned for performance, but this will be revisited in the future.
 CONFIG_NET_BUF_RX_COUNT=8
 CONFIG_NET_BUF_TX_COUNT=16
-CONFIG_HEAP_MEM_POOL_SIZE=183600
+CONFIG_NRF70_RX_NUM_BUFS=16
+CONFIG_HEAP_MEM_POOL_SIZE=115000
+CONFIG_HEAP_MEM_POOL_IGNORE_MIN=y
 CONFIG_NET_TC_TX_COUNT=1
 
 CONFIG_NET_IF_UNICAST_IPV4_ADDR_COUNT=1

samples/wifi/twt/prj.conf

@@ -29,7 +29,9 @@ CONFIG_NET_PKT_TX_COUNT=8
 CONFIG_NET_PKT_RX_COUNT=16
 CONFIG_NET_BUF_TX_COUNT=16
 CONFIG_NET_BUF_RX_COUNT=16
-CONFIG_HEAP_MEM_POOL_SIZE=210000
+CONFIG_HEAP_MEM_POOL_SIZE=105000
+CONFIG_HEAP_MEM_POOL_IGNORE_MIN=y
+CONFIG_NRF70_RX_NUM_BUFS=16
 #CONFIG_SPEED_OPTIMIZATIONS=y
 #CONFIG_NRF70_MAX_TX_AGGREGATION=9
 #CONFIG_NRF70_MAX_TX_TOKENS=12