serial: ifx6x60: free IRQ on error
serial: ifx6x60: free IRQ on error

If second request_irq() failed then the first IRQ must be freed in
error handling code.

Signed-off-by: Vasiliy Kulikov <942b402b07c522a8271785df04894b4692262f69@openwall.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@suse.de>

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