PCI: s32g: Skip Root Port removal during success

PCI: s32g: Skip Root Port removal during success

Currently, s32g_pcie_parse_ports() exercises the 'err_port' path even
during the success case. This results in ports getting deleted after
successful parsing of Root Ports.

Hence, skip the removal of Root Ports during success.

Fixes: 5cbc7d3e316e ("PCI: s32g: Add NXP S32G PCIe controller driver (RC)")
Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
[mani: reworded subject and description]
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Link: https://patch.msgid.link/20260202151050.1446165-1-vincent.guittot@linaro.org