ARM: SPEAr320: DT: Add SPEAr 320 HMI board support

This adds support for SPEAr320-HMI board.

Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
diff --git a/arch/arm/mach-spear3xx/spear320.c b/arch/arm/mach-spear3xx/spear320.c
index 707504b..66e3a0c 100644
--- a/arch/arm/mach-spear3xx/spear320.c
+++ b/arch/arm/mach-spear3xx/spear320.c
@@ -247,6 +247,7 @@
 static const char * const spear320_dt_board_compat[] = {
 	"st,spear320",
 	"st,spear320-evb",
+	"st,spear320-hmi",
 	NULL,
 };