fix(xilinx): resolve misra rule 8.6 violations

Fixed below MISRA violation:
- MISRA Violation: MISRA-C:2012 R.8.6:
  - An identifier with external linkage shall have exactly one external
    definition.
- Fix:
  - Removed redundant function declarations since it is not defined.

Change-Id: If003efbfa08ee6ff4f545605ef34dfd16f33b664
Signed-off-by: Devanshi Chauhan Alpeshbhai <devanshi.chauhanalpeshbhai@amd.com>
1 file changed