mtd: spi-nor: cadence-quadspi: Fix error path in probe

Fix the reversed goto labels, so that we disable cqspi controller only
if its enabled previously. This is a minor cleanup.

Signed-off-by: Vignesh R <vigneshr@ti.com>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>