msm: kgsl: avoid vmap failure while allocating big buffers

Limit the amount of pages vmapped at one time during allocation,
to avoid requesting more vmalloc space than is likely available.

CRs-Fixed: 445005
Change-Id: Icee5912687edf4da585d88308ee0e1c971964785
Signed-off-by: Jeremy Gebben <jgebben@codeaurora.org>
1 file changed