[qca-nss-drv] Fix HLOS compilation issues

Remove redundant and unused function prototypes.
Redundant declarations was causing compilation abort
in fsm9010 ptxdist environment.

Change-Id: Ia2d7ec04e0ec6f5ca1e4958611f3a1c27d50b25c
Signed-off-by: Arunkumar T <athand@codeaurora.org>
5 files changed