bootm: Call cleanup_before_linux() from bootm_final()

Add this call to the bootm_final() function, dropping it from RISC-V

Add a flag to ensure that cleanup_before_linux() is not called when
booting an EFI app.

Signed-off-by: Simon Glass <sjg@chromium.org>

boot/bootm_final.c

@@ -31,4 +31,7 @@ void bootm_final(enum bootm_final_t flags)
 	 * of DMA operation or releasing device internal buffers.
 	 */
 	dm_remove_devices_active();
+
+	if (!(flags & BOOTM_FINAL_NO_CLEANUP))
+		cleanup_before_linux();
 }