msm: kgsl: Allocate enough space for the fault detect registers

The adreno_ft_regs and adreno_ft_regs_val arrays are supposed
to store unsigned int values but only the count was was being
allocated leading to overruns. Allocated enough space for
the array values.

CRs-Fixed: 804683
Change-Id: Id195eebdc5d3f1d06bdb348e56915f1847a0f5d5
Signed-off-by: Mohammed Khajapasha <mkhaja@codeaurora.org>
Signed-off-by: Prasad Sodagudi <psodagud@codeaurora.org>