modules: hal_nxp: Add empty file to support CONFIG_BUILD_ONLY_NO_BLOBS

Add empty file to support building with CONFIG_BUILD_ONLY_NO_BLOBS
option.

(cherry picked from commit b5ba50c)

Original-Signed-off-by: Jiawei Yang <[email protected]>
GitOrigin-RevId: b5ba50c
Cr-Build-Id: 8722485936012132001
Cr-Build-Url: https://cr-buildbucket.appspot.com/build/8722485936012132001
Copybot-Job-Name: zephyr-main-copybot-downstream
Change-Id: I2ee81f6d52c162e037a8560e3a20f9d665e004e6
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/zephyr/+/6281751
Bot-Commit: ChromeOS Prod (Robot) <[email protected]>
Commit-Queue: ChromeOS Prod (Robot) <[email protected]>
Tested-by: ChromeOS Prod (Robot) <[email protected]>

Author: Jiawei Yang

modules/hal_nxp/bt_controller/CMakeLists.txt

@@ -1,5 +1,5 @@
 #
-# Copyright 2024 NXP
+# Copyright 2024-2025 NXP
 #
 # SPDX-License-Identifier: Apache-2.0
 #
@@ -8,14 +8,18 @@ set(hal_nxp_dir           ${ZEPHYR_HAL_NXP_MODULE_DIR})
 set(hal_nxp_blobs_dir     ${hal_nxp_dir}/zephyr/blobs)
 set(blob_gen_file         ${ZEPHYR_BINARY_DIR}/include/generated/bt_nxp_ctlr_fw.h)
 
-if(CONFIG_BT_NXP_NW612)
+if(CONFIG_BUILD_ONLY_NO_BLOBS)
+    set(blob_file src/no_blobs.h)
+elseif(CONFIG_BT_NXP_NW612)
     set(blob_file ${hal_nxp_blobs_dir}/iw612/uart_nw61x_se.h)
 endif()
 
 if (NOT DEFINED blob_file)
     message(FATAL_ERROR "Unsupported controller. Please select a BT conntroller, refer to ./driver/bluetooth/hci/Kconfig.nxp")
 endif()
 
-zephyr_blobs_verify(FILES ${blob_file} REQUIRED)
+if(NOT CONFIG_BUILD_ONLY_NO_BLOBS)
+   zephyr_blobs_verify(FILES ${blob_file} REQUIRED)
+endif()
 
 configure_file(${blob_file} ${blob_gen_file} COPYONLY)

modules/hal_nxp/bt_controller/src/no_blobs.h

@@ -0,0 +1,14 @@
+/*
+ * Copyright 2024 NXP
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#ifndef __UART_BT_FW_H__
+#define __UART_BT_FW_H__
+
+
+const unsigned char *bt_fw_bin;
+unsigned int bt_fw_bin_len;
+
+#endif /* __UART_BT_FW_H__ */