Define dra7xx_pcie_shutdown() as a static function as it is not used
in other compilation units.
Signed-off-by: NVignesh R <vigneshr@ti.com>
[lorenzo.pieralisi@arm.com: updated commit log]
Signed-off-by: NLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: NKeerthy <j-keerthy@ti.com>