FindJNI: Add aarch32 path on arm

Modules/FindJNI.cmake

@@ -53,7 +53,7 @@ macro(java_append_library_directories _var)
         set(_java_libarch "alpha")
     elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^arm")
         # Subdir is "arm" for both big-endian (arm) and little-endian (armel).
-        set(_java_libarch "arm")
+        set(_java_libarch "arm" "aarch32")
     elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^mips")
         # mips* machines are bi-endian mostly so processor does not tell
         # endianess of the underlying system.