Update git submodules

* Update docs/submodules/daisy from branch 'master'
  - Fix unit test for number of hugepages

    Change-Id: I2c7c2a9d38ed0789710ef6af371cb6663d7433cc
    Signed-off-by: Alex Yang <yangyang1@zte.com.cn>

diff --git a/docs/submodules/daisy b/docs/submodules/daisy
index 443488e..cfb7518 160000 (submodule)
--- a/docs/submodules/daisy
+++ b/docs/submodules/daisy
@@ -1 +1 @@
-Subproject commit 443488e6af0aa1a82997907cf7a426863eb4a157
+Subproject commit cfb75182ab0ac2800d556197703847d0d37b2d15