disp: msm: sde: fix dsc hrd delays register bitmask

Fix bitmask used when programming dsc hrd delays register
to allow 16 bits value.

Change-Id: I0044dcd4bdc4608b40a544b1856dfaa19e1717a3
Signed-off-by: Amine Najahi <anajahi@codeaurora.org>

msm/sde/sde_hw_dsc_1_2.c

@@ -191,7 +191,7 @@ static void sde_hw_dsc_config(struct sde_hw_dsc *hw_dsc,
 			(dsc->config.slice_chunk_size) & 0xffff);
 
 	data = (dsc->config.initial_xmit_delay & 0xffff) |
-		((dsc->config.initial_dec_delay & 0x3ff) << 16);
+		((dsc->config.initial_dec_delay & 0xffff) << 16);
 
 	SDE_REG_WRITE(dsc_c, DSC_HRD_DELAYS + idx, data);