fix(xilinx): resolve misra rule 12.2 violations

Fixed below MISRA violation:
- MISRA Violation: MISRA-C:2012 R.12.2:
  - The right hand operand of a shift operator shall lie in the range
    zero to one less than the width in bits of the essential type of
    the left hand operand.
- Fix:
  - Type casted left operand to a larger width than shift.

Change-Id: I662ff57e52d1260e2f1a0de595f19a9143714892
Signed-off-by: Devanshi Chauhan Alpeshbhai <devanshi.chauhanalpeshbhai@amd.com>
2 files changed