mISDN: Free hfcpci IRQ if init was not successful
mISDN: Free hfcpci IRQ if init was not successful

If we get no interrupts for after 3 resets we need to unregister
the interrupt function, which is already done outside the loop.

Signed-off-by: Andreas Mohr <dbd122ef7b6a09ffecf5db9c9296320f3c94e707@lisas.de>
Signed-off-by: Karsten Keil <6c650a0c03db7489bc4603bcbf5e90336cce5ee8@b1-systems.de>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas