msm8x25: Add support for continuous splash screen

 - Enable continuous splash screen
 - Enable one wire mode for back light
 - Add macro to allow display mode (command/video) configuration change
   during compile time.

Change-Id: I31e9fa9c0fe709b2a75bc2648dbd2d7f1be14776
diff --git a/target/msm7627a/init.c b/target/msm7627a/init.c
index a457613..5e10708 100644
--- a/target/msm7627a/init.c
+++ b/target/msm7627a/init.c
@@ -602,3 +602,21 @@
 {
 	target_ulpi_init();
 }
+
+int target_cont_splash_screen()
+{
+	int ret = 0;
+	unsigned mach_type = 0;
+
+	mach_type = board_machtype();
+
+	switch(mach_type) {
+		case MSM8X25_EVB:
+		case MSM8X25_EVT:
+			ret = 1;
+			break;
+		default:
+			ret = 0;
+	};
+	return ret;
+}