drm/msm/dp: Remove redundant initialization of variable bpp

The variable bpp is being initialized with a value that is never
read, it is being updated later on in both paths of an if statement.
The assignment is redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210929105458.209895-1-colin.king@canonical.comSigned-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>

drivers/gpu/drm/msm/dp/dp_panel.c

@@ -234,7 +234,7 @@ u32 dp_panel_get_mode_bpp(struct dp_panel *dp_panel,
 		u32 mode_edid_bpp, u32 mode_pclk_khz)
 {
 	struct dp_panel_private *panel;
-	u32 bpp = mode_edid_bpp;
+	u32 bpp;
 
 	if (!dp_panel || !mode_edid_bpp || !mode_pclk_khz) {
 		DRM_ERROR("invalid input\n");