drm/msm/dpu: drop INTF_TYPE_MAX symbol

This enum value does not correspond to any of actual interface types,
it's not used by the driver, and the value of INTF_WB is greater than
INTF_TYPE_MAX. Thus this symbol serves no purpose and can be removed.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/475556/
Link: https://lore.kernel.org/r/20220222062246.242577-3-dmitry.baryshkov@linaro.orgSigned-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h

@@ -232,7 +232,6 @@ enum dpu_intf_type {
 	INTF_EDP = 0x9,
 	/* both DP and eDP,  handled by the new DP driver */
 	INTF_DP = 0xa,
-	INTF_TYPE_MAX,
 
 	/* virtual interfaces */
 	INTF_WB = 0x100,