leveldb: Move patch to right directory

* fixes WARNING: Unable to get checksum for leveldb
  SRC_URI entry 0001-Surround-with-quotes-variables-like-CC.patch:
  file could not be found
  and do_fetch failure if someone tries to build it

Open-webOS-DCO-1.0-Signed-off-by: Martin Jansa <martin.jansa@palm.com>
Change-Id: I4fb6167b4957c5a4ad35160eb4e8ffecd9f91693
Reviewed-on: http://g2g.palm.com/1555
Reviewed-by: Build Verification
Reviewed-by: Martin Jansa <martin.jansa@palm.com>
Tested-by: Martin Jansa <martin.jansa@palm.com>
Reviewed-by: Keith Derrick <keith.derrick@palm.com>
Reviewed-by: Susan Montooth <susan.montooth@palm.com>