drm/exynos: remove function update_vm_cache_attr
drm/exynos: remove function update_vm_cache_attr

The function update_vm_cache_attr can be merged in exynos_drm_gem_mmap.

Signed-off-by: Joonyoung Shim <b2207686f8c5343cf0f505ae1d5720ecb0c3202a@samsung.com>
Signed-off-by: Inki Dae <bae4a7a27bbc965064e97edd6e179ac4979db440@samsung.com>

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