mm: fix __GFP_BITS_MASK

Reorder ___GFP_CMA and ___GFP_NOLOCKDEP and thus fix the
__GFP_BITS_MASK.

Fixes: d46ff52a ("Merge android-4.19.110 (1984fffe) into msm-4.19")
Change-Id: I52a78369af112ca44e3d3162b54bd7b096d07a07
Signed-off-by: Vinayak Menon <vinmenon@codeaurora.org>