PCI: brcmstb: Don't clk_put() a managed clock

clk_put() was being invoked on a clock obtained by
devm_clk_get_optional().

Link: https://lore.kernel.org/r/20200507201544.43432-2-james.quinlan@broadcom.comSigned-off-by: Jim Quinlan <jquinlan@broadcom.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>

drivers/pci/controller/pcie-brcmstb.c

@@ -900,7 +900,6 @@ static void __brcm_pcie_remove(struct brcm_pcie *pcie)
 	brcm_msi_remove(pcie);
 	brcm_pcie_turn_off(pcie);
 	clk_disable_unprepare(pcie->clk);
-	clk_put(pcie->clk);
 }
 
 static int brcm_pcie_remove(struct platform_device *pdev)