PCI: endpoint: Fix misused goto label

Fix a misused goto label jump since that can result in a memory leak.

Link: https://lore.kernel.org/r/17e7b9b9ee6.c6d9c6a02564.4545388417402742326@zohomail.com


Signed-off-by: Li Chen <lchen@ambarella.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>