msm: display: Add proper flags for secure/non-secure writeback buffers

For MDP writeback buffer allocations, use appropriate heap id flags
for secure and non-secure sessions

Change-Id: I05e897d5d90ab03b17ccddbda764f39b963192ef
Signed-off-by: Ravishangar Kalyanam <rkalya@codeaurora.org>
diff --git a/arch/arm/mach-msm/board-8064-display.c b/arch/arm/mach-msm/board-8064-display.c
index a436f41..433fb2e 100644
--- a/arch/arm/mach-msm/board-8064-display.c
+++ b/arch/arm/mach-msm/board-8064-display.c
@@ -239,7 +239,7 @@
 	.mdp_bus_scale_table = &mdp_bus_scale_pdata,
 	.mdp_rev = MDP_REV_44,
 #ifdef CONFIG_MSM_MULTIMEDIA_USE_ION
-	.mem_hid = ION_CP_MM_HEAP_ID,
+	.mem_hid = BIT(ION_CP_MM_HEAP_ID),
 #else
 	.mem_hid = MEMTYPE_EBI1,
 #endif