Add patch for BMP5 sensor API to fix an uninitialized variable warning

app/CMakeLists.txt

@@ -1,12 +1,19 @@
 cmake_minimum_required(VERSION 3.20.0)
 
-# Apply patches before build
-file(GLOB_RECURSE files RELATIVE ${CMAKE_SOURCE_DIR} "patches/*.patch")
+# Apply Zephyr patches before build
+file(GLOB_RECURSE files RELATIVE ${CMAKE_SOURCE_DIR} "patches/zephyr/*.patch")
 foreach(file ${files})
     execute_process(COMMAND 
                     patch -p1 -d $ENV{ZEPHYR_BASE} -i ${CMAKE_CURRENT_SOURCE_DIR}/${file} -r - --no-backup-if-mismatch)
 endforeach()
 
+# Apply ext_drivers patches before build
+file(GLOB_RECURSE files RELATIVE ${CMAKE_SOURCE_DIR} "patches/ext_drivers/*.patch")
+foreach(file ${files})
+    execute_process(COMMAND 
+                    patch -p1 -d ${CMAKE_SOURCE_DIR}/src/ext_drivers -i ${CMAKE_CURRENT_SOURCE_DIR}/${file} -r - --no-backup-if-mismatch)
+endforeach()
+
 # Get the target hardware
 string(REGEX MATCH "zswatch_nrf5340_cpuapp(_ns)?@([0-9]+)$" ZSWATCH_BOARD "${BOARD}")
 if(ZSWATCH_BOARD)

app/patches/ext_drivers/bmp5.patch

@@ -0,0 +1,13 @@
+diff --git a/BMP5-Sensor-API/bmp5.c b/BMP5-Sensor-API/bmp5.c
+index 6af2f6a..e62172a 100644
+--- a/BMP5-Sensor-API/bmp5.c
++++ b/BMP5-Sensor-API/bmp5.c
+@@ -1130,7 +1130,7 @@ int8_t bmp5_get_fifo_len(uint16_t *fifo_len, struct bmp5_fifo *fifo, struct bmp5
+ int8_t bmp5_get_fifo_data(struct bmp5_fifo *fifo, struct bmp5_dev *dev)
+ {
+     int8_t rslt;
+-    uint16_t fifo_len;
++    uint16_t fifo_len = 0;
+
+     if (fifo != NULL)
+     {