hw/ufs: free irq on exit

Fix a memory leak bug in ufs_init_pci() due to u->irq
not being freed in ufs_exit().

Signed-off-by: Zheng Huang <hz1624917200@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <43ceb427-87aa-44ee-9007-dbaecc499bba@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
1 file changed