modules/trusted-firmware-m: Add API headers to zephyr include path

Some TFM interfaces, like trusted storage, are accessed by Zephyr
applications. Make those available in the Zephyr include search path so
that they will be available.

Signed-off-by: Keith Packard <keithp@keithp.com>

Author: keith-packard

modules/trusted-firmware-m/CMakeLists.txt

@@ -171,6 +171,8 @@ if (CONFIG_BUILD_WITH_TFM)
   set(TFM_INTERFACE_INCLUDE_DIR  ${TFM_BINARY_DIR}/api_ns/interface/include)
   set(TFM_INTERFACE_LIB_DIR      ${TFM_BINARY_DIR}/api_ns/interface/lib)
 
+  zephyr_include_directories(${TFM_INTERFACE_INCLUDE_DIR})
+
   if(CONFIG_TFM_BL2)
     set(BL2_ELF_FILE ${TFM_BINARY_DIR}/bin/bl2.elf)
     set(BL2_BIN_FILE ${TFM_BINARY_DIR}/bin/bl2.bin)