amdgpu/nv.c: Corrected typo in the video capabilities resolution

Corrected the typo in the 4K resolution parameters.

Fixes: b3a24461 ("amdgpu/nv.c - Added codec query for Beige Goby")
Fixes: 9075096b ("amdgpu/nv.c - Optimize code for video codec support structure")
Fixes: 9ac0edaa ("drm/amdgpu: add vcn_4_0_0 video codec query")

Signed-off-by: Veerabadhran Gopalakrishnan <veerabadhran.gopalakrishnan@amd.com>
Acked-by: Luben Tuikov <luben.tuikov@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>