[lib] fix lib config build issue

CMakeLists.txt

@@ -53,6 +53,7 @@ if (OT_BUILD_RT)
         set(CONFIG_FILE "\"openthread-core-rt1060-config.h\"")
         set(CORE_CONFIG_FILE "\"openthread-core-rt1060-config.h\"")
         set(CORE_CONFIG_CHECK "\"openthread-core-rt1060-config-check.h\"")
+        set(OT_LIB_CONFIG "\"openthread-lib-rt1060-config.h\"")
         set(PLATFORM rt1060)
         set(CHIP imx_rt)
     endif()

src/imx_rt/rt1060/openthread-core-rt1060-config.h

@@ -235,15 +235,6 @@ LOG_MODULE_DEFINE(ot_stack_log, kLOG_LevelDebug)
  */
 #define OPENTHREAD_CONFIG_TMF_NETDATA_SERVICE_ENABLE 1
 
-/**
- * @def OPENTHREAD_CONFIG_PLATFORM_RADIO_SPINEL_RX_FRAME_BUFFER_SIZE
- *
- * Specifies the rx frame buffer size used by `SpinelInterface` in RCP host (posix) code. This is applicable/used when
- * `RadioSpinel` platform is used.
- *
- */
-#define OPENTHREAD_LIB_SPINEL_RX_FRAME_BUFFER_SIZE 512
-
 /**
  * @def OPENTHREAD_CONFIG_PING_SENDER_ENABLE
  *

src/imx_rt/rt1060/openthread-lib-rt1060-config.h

@@ -0,0 +1,47 @@
+/*
+ *  Copyright (c) 2024, The OpenThread Authors.
+ *  All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions are met:
+ *  1. Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *  3. Neither the name of the copyright holder nor the
+ *     names of its contributors may be used to endorse or promote products
+ *     derived from this software without specific prior written permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *  POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/**
+ * @file
+ *   This file includes RT 1060 compile-time configuration constants
+ *   for OpenThread lib.
+ */
+
+#ifndef OT_RT_OPENTHREAD_LIB_RT_CONFIG_H_
+#define OT_RT_OPENTHREAD_LIB_RT_CONFIG_H_
+
+/**
+ * @def OPENTHREAD_CONFIG_PLATFORM_RADIO_SPINEL_RX_FRAME_BUFFER_SIZE
+ *
+ * Specifies the rx frame buffer size used by `SpinelInterface` in RCP host (posix) code. This is applicable/used when
+ * `RadioSpinel` platform is used.
+ *
+ */
+#define OPENTHREAD_LIB_SPINEL_RX_FRAME_BUFFER_SIZE 512
+
+#endif // OT_RT_OPENTHREAD_LIB_RT_CONFIG_H_