habanalabs: Add check for pci_enable_device

[ Upstream commit 9c27896a ]

As the potential failure of the pci_enable_device(),
it should be better to check the return value and return
error if fails.

Fixes: 70b2f993 ("habanalabs: create common folder")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>