mtd: nand: denali: set proper error code on timeout
mtd: nand: denali: set proper error code on timeout

The condition "if (irq_status == 0)" already ensures that one half of
the ternary ?: is dead. I think this should probably actually be a FAIL,
not a PASS.

Caught by Coverity.

Signed-off-by: Brian Norris <ac73eed4b8a8c9127255a2696c52b2e7503720b8@gmail.com>
Cc: Jamie Iles <b4dde37aa2aac745c0e6c43447507eaeace3e59f@jamieiles.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs