[lwP] Add more dependency for lwP config.

components/lwp/Kconfig

@@ -3,6 +3,11 @@ menuconfig RT_USING_LWP
     select RT_USING_DFS
     select RT_USING_LIBC
     select RT_USING_POSIX_CLOCKTIME
+    select RT_USING_TTY
+    select RT_USING_NULL
+    select RT_USING_ZERO
+    select RT_USING_RANDOM
+    select RT_USING_RTC
     depends on ARCH_ARM_CORTEX_M || ARCH_ARM_ARM9 || ARCH_ARM_CORTEX_A || ARCH_RISCV64
     default n
     help

components/net/Kconfig

@@ -44,6 +44,7 @@ config RT_USING_SAL
         config SAL_USING_AF_UNIX
             bool "Enable support AF_UNIX socket"
             default n
+            default y if RT_USING_LWP
             select LWIP_NETIF_LINK_CALLBACK
 
         if !SAL_USING_POSIX