fix(zynqmp): resolve misra R10.3

MISRA Violation: MISRA-C:2012 R.10.3
- The value of an expression shall not be assigned to an object with a
  narrower essential type or of a different essential type category.

Signed-off-by: Venkatesh Yadav Abbarapu <venkatesh.abbarapu@xilinx.com>
Change-Id: I5a60c66788d59e45f41ceb81758b42ef2df9f5f7
1 file changed