[ Upstream commit e6fdd3bf5aecd8615f31a5128775b9abcf3e0d86 ]

Use devm_pci_alloc_host_bridge() to simplify the error code path.  This
also fixes a leak in the dw_pcie_host_init() error path.
Signed-off-by: NJisheng Zhang <Jisheng.Zhang@synaptics.com>
Signed-off-by: NLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: NBjorn Helgaas <bhelgaas@google.com>
Acked-by: NGustavo Pimentel <gustavo.pimentel@synopsys.com>
CC: stable@vger.kernel.org	# v4.13+
Signed-off-by: NSasha Levin <sashal@kernel.org>