msm: camera: tfe: Reduce stack size during set axi bw

Add change to move static memory allocation to dynamic
to reduce stack usage during set axi bw in tfe driver.

CRs-Fixed: 2615123
Change-Id: I5c60cd65fc458111daa29c3ba1a1f496248c653c
Signed-off-by: Alok Chauhan <alokc@codeaurora.org>