[nrf noup] Increase default number of packet buffers and stack size

This commit reverts the previous optimization of reducing the number
of packet buffers in the system. Additionally increase of stack size
is needed to accomodate CC3xx backend.

Signed-off-by: Łukasz Duda <lukasz.duda@nordicsemi.no>

Author: LuDuda

src/platform/nrfconnect/CHIPDevicePlatformConfig.h

@@ -216,7 +216,7 @@
 
 #ifndef CHIP_DEVICE_CONFIG_CHIP_TASK_STACK_SIZE
 #if defined(CONFIG_LTO) || (defined(CONFIG_PSA_CRYPTO_DRIVER_CC3XX) && defined(CONFIG_PSA_CRYPTO_DRIVER_OBERON))
-#define CHIP_DEVICE_CONFIG_CHIP_TASK_STACK_SIZE 8192
+#define CHIP_DEVICE_CONFIG_CHIP_TASK_STACK_SIZE 10240
 #else
 #define CHIP_DEVICE_CONFIG_CHIP_TASK_STACK_SIZE 6144
 #endif

src/platform/nrfconnect/SystemPlatformConfig.h

@@ -48,7 +48,7 @@ struct ChipDeviceEvent;
 #define CHIP_SYSTEM_CONFIG_USE_SOCKETS 1
 
 #ifndef CONFIG_ARCH_POSIX
-#define CHIP_SYSTEM_CONFIG_PACKETBUFFER_POOL_SIZE 8
+#define CHIP_SYSTEM_CONFIG_PACKETBUFFER_POOL_SIZE 15
 #endif
 
 // ========== Platform-specific Configuration Overrides =========