msm8226: Add support for blsp uart3.

Change-Id: Ibd9f93a0da06d15a5b90604b10803cedf58818f5
diff --git a/platform/msm8226/gpio.c b/platform/msm8226/gpio.c
index b19643c..b869367 100644
--- a/platform/msm8226/gpio.c
+++ b/platform/msm8226/gpio.c
@@ -53,11 +53,12 @@
 /* Configure gpio for blsp uart 2 */
 void gpio_config_uart_dm(uint8_t id)
 {
-    /* configure rx gpio */
-	gpio_tlmm_config(5, 2, GPIO_INPUT, GPIO_NO_PULL,
+	/* Configure GPIOs for BLSP1 UART3. */
+	/* configure rx gpio */
+	gpio_tlmm_config(9, 2, GPIO_INPUT, GPIO_NO_PULL,
                          GPIO_8MA, GPIO_DISABLE);
 
-    /* configure tx gpio */
-	gpio_tlmm_config(4, 2, GPIO_OUTPUT, GPIO_NO_PULL,
+	/* configure tx gpio */
+	gpio_tlmm_config(8, 2, GPIO_OUTPUT, GPIO_NO_PULL,
                          GPIO_8MA, GPIO_DISABLE);
 }