freedreno/a6xx: Fix typo in height alignment calculation in a6xx layout

Fixes KHR-GL31.texture_size_promotion.functional

Fixes: e49748521ec9182e8d2eec823182cc463709123f
Signed-off-by: Danylo Piliaiev <dpiliaiev@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7792>
(cherry picked from commit a569ffeb83daaa3f3c179e0d315a5079334835f8)
2 files changed