[msm7x30]: Enable LCDC display for msm7x30 devices

-- Add code to configure Toshiba LCDC panels
-- Add support for MDP4 LCDC mode.

Change-Id: I3846a146b98d19038779d8088cf64becff087a89
diff --git a/dev/keys/gpio_keypad.c b/dev/keys/gpio_keypad.c
index abd894a..4fc2e4e 100644
--- a/dev/keys/gpio_keypad.c
+++ b/dev/keys/gpio_keypad.c
@@ -542,3 +542,13 @@
     event_wait(&qwerty_keypad->full_scan);
 }
 
+void pmic_write(unsigned address, unsigned data)
+{
+  write_func wr_function = &i2c_ssbi_write_bytes;
+  if(wr_function == NULL)
+    return;
+  if ((*wr_function)(&data, 1, address))
+    dprintf (CRITICAL, "Error in initializing register\n");
+
+}
+