drm/amdgpu: Fix spelling mistake "regiser" -> "register"

There is a spelling mistake in a dev_error error message. Fix it.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c

@@ -919,7 +919,7 @@ static u32 amdgpu_virt_rlcg_reg_rw(struct amdgpu_device *adev, u32 offset, u32 v
 						"wrong operation type, rlcg failed to program reg: 0x%05x\n", offset);
 				} else if (tmp & AMDGPU_RLCG_REG_NOT_IN_RANGE) {
 					dev_err(adev->dev,
-						"regiser is not in range, rlcg failed to program reg: 0x%05x\n", offset);
+						"register is not in range, rlcg failed to program reg: 0x%05x\n", offset);
 				} else {
 					dev_err(adev->dev,
 						"unknown error type, rlcg failed to program reg: 0x%05x\n", offset);