samples: wifi: shell: Make space in RAM for TFM build

For build with TFM and support for protected storage enabled,
additional RAM needs to be freed to accommodate the additional
features.

Signed-off-by: Ravi Dondaputi <[email protected]>

Author: rado17

samples/wifi/shell/Kconfig

@@ -20,6 +20,7 @@ if NET_BUF_VARIABLE_DATA_SIZE
 # so smaller pool sizes are recommended for these targets.
 config NET_PKT_BUF_TX_DATA_POOL_SIZE
 	default 40000 if SOC_SERIES_NRF54HX
+	default 35000 if !SOC_SERIES_NRF52X && !SOC_SERIES_NRF54LX && BUILD_WITH_TFM
 	default 50000 if !SOC_SERIES_NRF52X && !SOC_SERIES_NRF54LX
 
 config NET_PKT_BUF_RX_DATA_POOL_SIZE