msm: socinfo: add support to recognize the xpm board

Add support to recognize the xpm board based on the device
tree compatible string.

Change-Id: I9706401db1339049e9cfdbe30fa1cbe58c16bb13
Signed-off-by: Syed Rameez Mustafa <rameezmustafa@codeaurora.org>
diff --git a/arch/arm/mach-msm/include/mach/socinfo.h b/arch/arm/mach-msm/include/mach/socinfo.h
index 5aaab18..d52686c 100644
--- a/arch/arm/mach-msm/include/mach/socinfo.h
+++ b/arch/arm/mach-msm/include/mach/socinfo.h
@@ -41,6 +41,7 @@
 #define of_board_is_cdp()	of_machine_is_compatible("qcom,cdp")
 #define of_board_is_mtp()	of_machine_is_compatible("qcom,mtp")
 #define of_board_is_qrd()	of_machine_is_compatible("qcom,qrd")
+#define of_board_is_xpm()	of_machine_is_compatible("qcom,xpm")
 
 #define machine_is_msm8974()	of_machine_is_compatible("qcom,msm8974")
 #define machine_is_msm9625()	of_machine_is_compatible("qcom,msm9625")
@@ -69,6 +70,7 @@
 #define of_board_is_cdp()		0
 #define of_board_is_mtp()		0
 #define of_board_is_qrd()		0
+#define of_board_is_xpm()		0
 
 #define machine_is_msm8974()		0
 #define machine_is_msm9625()		0