msm: Add configuration required to use GSBI8 into UARTDM Mode

Add GSBI8 device and its related interfaces with their configuration
i.e. clock, ADM, GPIO. GSBI8 UARTDM interface can be used for external
Bluetooth SoC.

CRs-Fixed: 375285
Change-Id: I15819862072c92d8ff6f397fdf081f1b619ec235
Signed-off-by: Mayank Rana <mrana@codeaurora.org>
diff --git a/arch/arm/mach-msm/devices.h b/arch/arm/mach-msm/devices.h
index 2207e3c..5d2771e 100644
--- a/arch/arm/mach-msm/devices.h
+++ b/arch/arm/mach-msm/devices.h
@@ -53,6 +53,7 @@
 extern struct platform_device msm_device_uart_dm12;
 extern struct platform_device *msm_device_uart_gsbi9;
 extern struct platform_device msm_device_uart_dm6;
+extern struct platform_device msm_device_uart_dm8;
 extern struct platform_device msm_device_uart_dm9;
 
 extern struct platform_device msm8960_device_uart_gsbi2;