Partitions: Combine tfm_xxx_secure_api.c and tfm_xxx_ipc.c

After Library Model is deprecated, tfm_xxx_secure_api.c are mostly same
with tfm_xxx_ipc.c. Combine them and rename the file name to
tfm_xxx_api.c.

Signed-off-by: Summer Qin <summer.qin@arm.com>
Change-Id: If4fc72563dd2459a6918188a68d8303412702667
diff --git a/cmake/install.cmake b/cmake/install.cmake
index 558ace8..5d9cf4b 100644
--- a/cmake/install.cmake
+++ b/cmake/install.cmake
@@ -134,27 +134,27 @@
 endif()
 
 if (TFM_PARTITION_PROTECTED_STORAGE)
-    install(FILES       ${INTERFACE_SRC_DIR}/tfm_ps_ipc_api.c
+    install(FILES       ${INTERFACE_SRC_DIR}/tfm_ps_api.c
             DESTINATION ${INSTALL_INTERFACE_SRC_DIR})
 endif()
 
 if (TFM_PARTITION_INTERNAL_TRUSTED_STORAGE)
-    install(FILES       ${INTERFACE_SRC_DIR}/tfm_its_ipc_api.c
+    install(FILES       ${INTERFACE_SRC_DIR}/tfm_its_api.c
             DESTINATION ${INSTALL_INTERFACE_SRC_DIR})
 endif()
 
 if (TFM_PARTITION_CRYPTO)
-    install(FILES       ${INTERFACE_SRC_DIR}/tfm_crypto_ipc_api.c
+    install(FILES       ${INTERFACE_SRC_DIR}/tfm_crypto_api.c
             DESTINATION ${INSTALL_INTERFACE_SRC_DIR})
 endif()
 
 if (TFM_PARTITION_INITIAL_ATTESTATION)
-    install(FILES       ${INTERFACE_SRC_DIR}/tfm_initial_attestation_ipc_api.c
+    install(FILES       ${INTERFACE_SRC_DIR}/tfm_attest_api.c
             DESTINATION ${INSTALL_INTERFACE_SRC_DIR})
 endif()
 
 if(TFM_PARTITION_PLATFORM)
-    install(FILES       ${INTERFACE_SRC_DIR}/tfm_platform_ipc_api.c
+    install(FILES       ${INTERFACE_SRC_DIR}/tfm_platform_api.c
             DESTINATION ${INSTALL_INTERFACE_SRC_DIR})
 endif()
 
@@ -188,7 +188,7 @@
 endif()
 
 if(TFM_PARTITION_FIRMWARE_UPDATE)
-    install(FILES       ${INTERFACE_SRC_DIR}/tfm_firmware_update_ipc_api.c
+    install(FILES       ${INTERFACE_SRC_DIR}/tfm_fwu_api.c
             DESTINATION ${INSTALL_INTERFACE_SRC_DIR})
 endif()