drm/exynos: remove superfluous checks in g2d_check_reg_offset()
drm/exynos: remove superfluous checks in g2d_check_reg_offset()

The cases of the switch statement ensure that reg_type
can never be REG_TYPE_NONE here.

Signed-off-by: Tobias Jakobi <4c4bdab7e8565a5c263c93a14c8947afdc7cdad5@math.uni-bielefeld.de>
Signed-off-by: Inki Dae <bae4a7a27bbc965064e97edd6e179ac4979db440@samsung.com>

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